Simple Weather Station with a 20x4 LCD UPDATED

Basic weather system, in/out temp and humidity with heat index, dew point, pressure and weather prediction and time and date.

Nov 9, 2018

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16 respects

time

weather station

pressure

Components and supplies

4x 20 LCD

DHT22 Temperature Sensor

7 Segment display (TM 1637)

BMP280 Pressure

5mm LED: Blue

RTC DS3231

Female/Female Jumper Wires

5 mm LED: Yellow

Male/Female Jumper Wires

Solderless Breadboard Half Size

Arduino UNO

DHT11 Temperature & Humidity Sensor (4 pins)

Apps and platforms

Arduino IDE

Project description

Code

Updated Code

c_cpp

1// use example DS1307RTC SetTime to set RTC time to PC
2// 4, 7 segment  display shows time (TM1637) 4 pin connection
3// LCD 20x4, DS3231 RTC and BMP  uses I2C interface
4// DHT11 measures inside temp and hum (less acurate) can use  2 dht22 but slight code change
5// DHT22 measures outside temp and hum and calculates  Dew Point and Heat Index
6// BMP280 measures pressure (mb) and does a basic prediction  of what the weather is meant to be doing (same as a barometer)
7// added milli  instead of delay to rotate through the 4 screens
8// Sunrise and Sunset times  added
9// Moon age and % illumination added
10// Moon phase display added
11//  16/11/18
12
13#include <RTClib.h>
14#include <Wire.h>
15#include <LiquidCrystal_I2C.h>
16#include  <DS1307RTC.h>
17#include <SPI.h>
18#include <Adafruit_Sensor.h>
19#include <Adafruit_BMP280.h>
20#include  <DHT.h>
21#include <Time.h>
22#include <TimeLib.h>
23#include <TM1637.h>
24#include  <sunMoon.h>
25
26#define DHT1PIN 12       // DHT11 TO PIN 7
27#define DHT2PIN  13       // DHT22 to PIN 13
28#define DHT2TYPE DHT22   // DHT22  
29#define DHT1TYPE  DHT11   // DHT11
30#define CLK 11           // 7 segment display PIN CLK
31#define  DIO 10           // 7 segment display PIN DIO
32#define OUR_latitude    50.770854       // Sidlesham cordinates
33#define OUR_longtitude  -0.784057
34#define OUR_timezone  0   // localtime with UTC difference in minutes
35
36float V = 7.2;    //version
37
38sunMoon  sm;
39
40TM1637 Display1(CLK, DIO);
41int8_t Digits[] = {0, 1, 2, 3};
42int  hours;
43int minutes;
44
45const int led1  = 2;   //New Moon (Blue LED)
46const  int led2  = 3;   //Waxing Cresent (White LED)
47const int led3  = 4;   //First  Quarter (White LED)
48const int led4  = 5;   //Waxing Gibbon (White LED)
49const  int led5  = 6;   //Full Moon (White LED)
50const int led6  = 7;   //Wanning Gibbon  (White LED)
51const int led7  = 8;   //Last Quarter (White LED)
52const int led8  = 9;   //Waning Cresent (White LED)
53
54byte mDay = sm.moonDay();
55
56boolean  alterna;
57
58DHT dht2 (DHT2PIN, DHT2TYPE);   //outside temp,hum
59DHT dht1 (DHT1PIN,  DHT1TYPE);   //inside temp,hum
60Adafruit_BMP280 bme;
61
62LiquidCrystal_I2C  lcd(0x27, 20, 4); // Set the LCD I2C address
63
64int chk;
65int LDR = A0;
66int  Light = 0;
67
68float temp1;      //Inside Temperature
69float hum1;       //Inside  Humidity
70float temp2;      //Outside Temperature
71float hum2;       //Outside  Humidity
72float Pressure;   //Pressure!
73float dp;         //Dew Point Outside
74float  temp2f;     //temp outside in F
75float hif;        //Heat index in F
76float  hic;        //Heat Index in C
77float sRise;      //Sun Rise Calculation
78float  sSet;       //Sun Set Calculation
79
80unsigned long switchMillis = 0;
81unsigned  long interval = 5000;       // 5 seconds for each lcd screen
82byte count = 0;
83
84boolean  firstScreenFlag = false;
85boolean secondScreenFlag = false;
86boolean thirdScreenFlag  = false;
87boolean fouthScreenFlag = false;
88boolean fifthScreenFlag = false;
89
90void  setup()
91{
92
93  tmElements_t  tm;                             // specific  time
94  time_t s_date = makeTime(tm);
95
96  Serial.begin(9600);
97  setSyncProvider(RTC.get);                     // the function to get the time from the RTC
98  if (timeStatus()  != timeSet)
99    Serial.println("Unable to sync with the RTC");
100  else
101    Serial.println("RTC has set the system time");
102
103  sm.init(OUR_timezone,  OUR_latitude, OUR_longtitude);
104
105  time_t sRise = sm.sunRise();
106  time_t  sSet  = sm.sunSet();
107
108  sRise = sm.sunRise(s_date);
109  sSet  = sm.sunSet(s_date);
110
111  Serial.begin(9600);
112
113  Display1.set();
114  Display1.init();
115
116  pinMode(led1,  OUTPUT);
117  pinMode(led2, OUTPUT);
118  pinMode(led3, OUTPUT);
119  pinMode(led4,  OUTPUT);
120  pinMode(led5, OUTPUT);
121  pinMode(led6, OUTPUT);
122  pinMode(led7,  OUTPUT);
123  pinMode(led8, OUTPUT);
124  pinMode(LDR, INPUT);
125  
126  lcd.init();
127  lcd.clear();
128  lcd.backlight();
129  dht1.begin();
130  dht2.begin();
131  Wire.begin();
132
133  lcd.setCursor(0, 0);
134  lcd.print(F("  Weather Station"));
135  lcd.setCursor(3,  2);
136  lcd.print(F("Version : "));
137  lcd.print(V, 1);
138  delay(3000);
139  lcd.clear();
140
141  if (!bme.begin())
142  {
143    while (1);
144  }
145
146}
147
148void  loop()
149{
150
151  Light = analogRead(LDR);
152  
153  if (Light > 900) {
154    lcd.noBacklight();    //Turns off LCD Backlight when dark
155
156  }  else   {
157
158    lcd.backlight();      //Turns on LCD Backlight when light
159  }
160
161  tmElements_t  tm;
162  time_t s_date = makeTime(tm);
163
164  if (RTC.read(tm)) {
165
166    print2digits(tm.Hour);
167    print2digits(tm.Minute);
168
169    hours = tm.Hour;
170    minutes = tm.Minute;
171    CalculaDigits(hours, minutes);
172    if (alterna)
173    {
174      Display1.point(POINT_OFF);
175      alterna = false;
176    }
177    else
178    {
179      Display1.point(POINT_ON);
180      alterna = true;
181    }
182
183  } else {
184    if (RTC.chipPresent()) {
185
186    } else {
187
188    }
189    delay(9000);
190  }
191  delay(1000);
192
193  if  (millis() - switchMillis > interval)
194  {
195    count++;
196
197    if (count  == 1)
198    {
199      firstScreenFlag = true;
200      count = 1;
201    }
202    if (count == 2)
203    {
204      secondScreenFlag = true;
205      count =  2;
206    }
207    if (count == 3)
208    {
209      thirdScreenFlag = true;
210      count = 3;
211    }
212    if (count == 4)
213    {
214      fouthScreenFlag  = true;
215      count = 4;
216    }
217    if (count == 5)
218    {
219      fifthScreenFlag  = true;
220      count = 0;
221    }
222    switchMillis += interval;
223  }
224
225  if (firstScreenFlag)
226  {
227    printTime(1, 0, tm);
228    firstScreenFlag  = false;
229  }
230
231  if (secondScreenFlag)
232  {
233    printTemp();
234    secondScreenFlag  = false;
235  }
236
237  if (thirdScreenFlag)
238  {
239    printIndex();
240    thirdScreenFlag  = false;
241  }
242
243  if (fouthScreenFlag)
244  {
245    printPressure();
246    fouthScreenFlag = false;
247  }
248  if (fifthScreenFlag)
249  {
250    printMoon(tm);
251    fifthScreenFlag = false;
252  }
253}
254
255void printLcdDate(time_t date)
256{
257  char rise[10];
258  sprintf(rise, "%02d:%02d", hour(date), minute(date));
259  lcd.print(rise);
260}
261
262void printTime(int character, int line, tmElements_t  tm)
263{
264
265  lcd.clear();
266  String seconds, minutes;
267  lcd.setCursor(character,  line);
268  lcd.print(tm.Hour);
269  lcd.print(F(":"));
270  if (tm.Minute < 10)
271  {
272    minutes = "0" + String(tm.Minute);
273    lcd.print(minutes);
274  }  else
275  {
276    lcd.print(tm.Minute);
277  }
278
279  lcd.setCursor(9, 0);
280  lcd.print(tm.Day);
281  lcd.print(F("/"));
282  lcd.print(tm.Month);
283  lcd.print(F("/"));
284  lcd.print(tmYearToCalendar(tm.Year));
285
286  time_t s_date = makeTime(tm);
287  time_t sRise = sm.sunRise();
288  time_t sSet  = sm.sunSet();
289  sRise = sm.sunRise(s_date);
290  sSet  = sm.sunSet(s_date);
291
292  lcd.setCursor(1, 2);
293  lcd.print(F("SunRise  :  "));
294  printLcdDate(sRise);
295  lcd.setCursor(1, 3);
296  lcd.print(F("SunSet   :  "));
297  printLcdDate(sSet);
298
299}
300
301void printTemp()
302{
303  hum1  = dht1.readHumidity();               //inside
304  temp1 = dht1.readTemperature();           //inside
305  hum2 = dht2.readHumidity();               //outside
306  temp2 = dht2.readTemperature();           //outside
307
308  lcd.clear();
309  lcd.setCursor(0, 0);
310  lcd.print(F("   Inside    Outside"));
311  lcd.setCursor(0,  2);
312  lcd.print(F("T: "));
313  lcd.print(temp1, 1);
314  lcd.print(F(" "));
315  lcd.print((char)223);
316  lcd.print(F("C"));
317  lcd.setCursor(13, 2);
318  lcd.print(temp2, 1);
319  lcd.print(F(" "));
320  lcd.print(( char)223);
321  lcd.print(F("C"));
322
323  lcd.setCursor(0, 3);
324  lcd.print(F("H:  "));
325  lcd.print(hum1, 0);
326  lcd.print(F(" %"));
327  lcd.setCursor(14, 3);
328  lcd.print(hum2, 0);
329  lcd.print(F(" %"));
330
331}
332void printIndex()
333{
334
335  hum2 = dht2.readHumidity();               //outside
336  temp2 = dht2.readTemperature();           //outside
337  temp2f = dht2.readTemperature(true);      // temp in f
338
339  double Point = log(hum2 / 100) + ((17.62 * temp2) / (243.5 + temp2));
340  double  dp = 243.5 * Point / (17.62 - Point);
341
342  lcd.clear();
343  lcd.setCursor(0,  0);
344  lcd.print(F("  Outside Readings"));
345  lcd.setCursor(0, 2);
346  lcd.print(F("Dew  Point  : "));
347  lcd.print(dp, 1);
348  lcd.print(F(" "));
349  lcd.print((char)223);
350  lcd.print(F("C"));
351
352  hif = dht2.computeHeatIndex(temp2f, hum2);          //heat  index in degrees F
353  hic = dht2.computeHeatIndex(temp2, hum2, false);    //heat  index in degrees C
354
355  lcd.setCursor(0, 3);
356  lcd.print(F("Heat Index :  "));
357  lcd.print(hic, 1);
358  lcd.print(F(" "));
359  lcd.print((char)223);
360  lcd.print(F("C"));
361
362}
363void printPressure()
364{
365  Pressure = (bme.readPressure()  / 100);    // 100 Pa = 1 millibar
366
367  lcd.clear();
368  lcd.setCursor(0, 1);
369  lcd.print(F(" Press : "));
370  lcd.print(Pressure);
371  lcd.print(F(" mb"));
372  lcd.setCursor(0, 3);
373  lcd.print(F("Weather :"));
374
375  if (Pressure <=  970); {
376    lcd.setCursor(13, 3);
377    lcd.print(F("         "));
378    lcd.setCursor(13,  3);
379    lcd.print(F("Stormy"));
380  }
381  if (Pressure > 970) {
382    lcd.setCursor(11,  3);
383    lcd.print(F("         "));
384    lcd.setCursor(11, 3);
385    lcd.print(F("Much  Rain"));
386  }
387  if (Pressure > 996) {
388    lcd.setCursor(11, 3);
389    lcd.print(F("         "));
390    lcd.setCursor(13, 3);
391    lcd.print(F("Rain"));
392  }
393  if  (Pressure > 1006) {
394    lcd.setCursor(11, 3);
395    lcd.print(F("         "));
396    lcd.setCursor(11, 3);
397    lcd.print(F("Variable"));
398  }
399  if  (Pressure  > 1030) {
400    lcd.setCursor(11, 3);
401    lcd.print(F("         "));
402    lcd.setCursor(13,  3);
403    lcd.print(F("Fair"));
404  }
405  if (Pressure > 1040) {
406    lcd.setCursor(11,  3);
407    lcd.print(F("         "));
408    lcd.setCursor(11, 3);
409    lcd.print(F("Set  Fair"));
410  }
411  if (Pressure > 1060) {
412    lcd.setCursor(11, 3);
413    lcd.print(F("         "));
414    lcd.setCursor(11, 3);
415    lcd.print(F("Very Dry"));
416  }
417}
418
419void printMoon(tmElements_t tm)
420{
421  time_t s_date = makeTime(tm);
422  mDay = sm.moonDay(s_date);
423
424  lcd.clear();
425  lcd.setCursor(0, 0);
426  lcd.print(" Moon age is ");
427  lcd.print(mDay);
428  if (mDay == 1) {
429    lcd.print(" day ");
430  }
431  else {
432    lcd.print(" days");
433  }
434  lcd.setCursor(0, 2);
435
436  if (mDay == 0) {
437
438    lcd.setCursor(0, 2);
439    lcd.print("      New Moon   ");
440    lcd.setCursor(0, 3);
441    lcd.print("  Illumination 0 %  ");
442    digitalWrite(led1, HIGH);
443    digitalWrite(led2,  LOW);
444    digitalWrite(led3, LOW);
445    digitalWrite(led4, LOW);
446    digitalWrite(led5,  LOW);
447    digitalWrite(led6, LOW);
448    digitalWrite(led7, LOW);
449    digitalWrite(led8,  LOW);
450  }
451  if (mDay == 1) {
452
453    lcd.setCursor(0, 2);
454    lcd.print("   Waxing Cresent");
455    lcd.setCursor(0, 3);
456    lcd.print("  Illumination  1 %  ");
457    digitalWrite(led1, LOW);
458    digitalWrite(led2, HIGH);
459    digitalWrite(led3,  LOW);
460    digitalWrite(led4, LOW);
461    digitalWrite(led5, LOW);
462    digitalWrite(led6,  LOW);
463    digitalWrite(led7, LOW);
464    digitalWrite(led8, LOW);
465  }
466
467   if (mDay == 2) {
468
469    lcd.setCursor(0, 2);
470    lcd.print("   Waxing  Cresent");
471    lcd.setCursor(0, 3);
472    lcd.print("  Illumination 4 %  ");
473    digitalWrite(led1, LOW);
474    digitalWrite(led2, HIGH);
475    digitalWrite(led3,  LOW);
476    digitalWrite(led4, LOW);
477    digitalWrite(led5, LOW);
478    digitalWrite(led6,  LOW);
479    digitalWrite(led7, LOW);
480    digitalWrite(led8, LOW);
481  }
482
483  if (mDay == 3) {
484
485    lcd.setCursor(0, 2);
486    lcd.print("   Waxing  Cresent");
487    lcd.setCursor(0, 3);
488    lcd.print("  Illumination 8 %  ");
489    digitalWrite(led1, LOW);
490    digitalWrite(led2, HIGH);
491    digitalWrite(led3,  LOW);
492    digitalWrite(led4, LOW);
493    digitalWrite(led5, LOW);
494    digitalWrite(led6,  LOW);
495    digitalWrite(led7, LOW);
496    digitalWrite(led8, LOW);
497  }
498
499  if (mDay == 4) {
500
501    lcd.setCursor(0, 2);
502    lcd.print("   Waxing  Cresent");
503    lcd.setCursor(0, 3);
504    lcd.print(" Illumination 15 %  ");
505    digitalWrite(led1, LOW);
506    digitalWrite(led2, HIGH);
507    digitalWrite(led3,  LOW);
508    digitalWrite(led4, LOW);
509    digitalWrite(led5, LOW);
510    digitalWrite(led6,  LOW);
511    digitalWrite(led7, LOW);
512    digitalWrite(led8, LOW);
513  }
514
515  if (mDay == 5) {
516
517    lcd.setCursor(0, 2);
518    lcd.print("   Waxing  Cresent");
519    lcd.setCursor(0, 3);
520    lcd.print(" Illumination 22 %  ");
521    digitalWrite(led1, LOW);
522    digitalWrite(led2, HIGH);
523    digitalWrite(led3,  LOW);
524    digitalWrite(led4, LOW);
525    digitalWrite(led5, LOW);
526    digitalWrite(led6,  LOW);
527    digitalWrite(led7, LOW);
528    digitalWrite(led8, LOW);
529  }
530
531  if (mDay == 6) {
532
533    lcd.setCursor(0, 2);
534    lcd.print("   Waxing  Cresent");
535    lcd.setCursor(0, 3);
536    lcd.print(" Illumination 31 %  ");
537    digitalWrite(led1, LOW);
538    digitalWrite(led2, HIGH);
539    digitalWrite(led3,  LOW);
540    digitalWrite(led4, LOW);
541    digitalWrite(led5, LOW);
542    digitalWrite(led6,  LOW);
543    digitalWrite(led7, LOW);
544    digitalWrite(led8, LOW);
545  }
546
547  if (mDay == 7) {
548
549    lcd.setCursor(0, 2);
550    lcd.print("   First Quarter  ");
551    lcd.setCursor(0, 3);
552    lcd.print("  Illumination 50 % ");
553    digitalWrite(led1, LOW);
554    digitalWrite(led2, LOW);
555    digitalWrite(led3,  HIGH);
556    digitalWrite(led4, LOW);
557    digitalWrite(led5, LOW);
558    digitalWrite(led6,  LOW);
559    digitalWrite(led7, LOW);
560    digitalWrite(led8, LOW);
561  }
562
563  if (mDay == 8) {
564
565    lcd.setCursor(0, 2);
566    lcd.print("   Waxing  Gibbons");
567    lcd.setCursor(0, 3);
568    lcd.print(" Illumination 58 %  ");
569    digitalWrite(led1, LOW);
570    digitalWrite(led2, LOW);
571    digitalWrite(led3,  LOW);
572    digitalWrite(led4, HIGH);
573    digitalWrite(led5, LOW);
574    digitalWrite(led6,  LOW);
575    digitalWrite(led7, LOW);
576    digitalWrite(led8, LOW);
577  }
578  if (mDay == 9) {
579
580    lcd.setCursor(0, 2);
581    lcd.print("   Waxing  Gibbons");
582    lcd.setCursor(0, 3);
583    lcd.print(" Illumination 68 %  ");
584    digitalWrite(led1, LOW);
585    digitalWrite(led2, LOW);
586    digitalWrite(led3,  LOW);
587    digitalWrite(led4, HIGH);
588    digitalWrite(led5, LOW);
589    digitalWrite(led6,  LOW);
590    digitalWrite(led7, LOW);
591    digitalWrite(led8, LOW);
592  }
593    if (mDay == 10) {
594
595    lcd.setCursor(0, 2);
596    lcd.print("   Waxing  Gibbons");
597    lcd.setCursor(0, 3);
598    lcd.print(" Illumination 76 %  ");
599    digitalWrite(led1, LOW);
600    digitalWrite(led2, LOW);
601    digitalWrite(led3,  LOW);
602    digitalWrite(led4, HIGH);
603    digitalWrite(led5, LOW);
604    digitalWrite(led6,  LOW);
605    digitalWrite(led7, LOW);
606    digitalWrite(led8, LOW);
607  }
608    if (mDay == 11) {
609
610    lcd.setCursor(0, 2);
611    lcd.print("   Waxing  Gibbons");
612    lcd.setCursor(0, 3);
613    lcd.print(" Illumination 84 %  ");
614    digitalWrite(led1, LOW);
615    digitalWrite(led2, LOW);
616    digitalWrite(led3,  LOW);
617    digitalWrite(led4, HIGH);
618    digitalWrite(led5, LOW);
619    digitalWrite(led6,  LOW);
620    digitalWrite(led7, LOW);
621    digitalWrite(led8, LOW);
622  }
623    if (mDay == 12) {
624
625    lcd.setCursor(0, 2);
626    lcd.print("   Waxing  Gibbons");
627    lcd.setCursor(0, 3);
628    lcd.print(" Illumination 91 %  ");
629    digitalWrite(led1, LOW);
630    digitalWrite(led2, LOW);
631    digitalWrite(led3,  LOW);
632    digitalWrite(led4, HIGH);
633    digitalWrite(led5, LOW);
634    digitalWrite(led6,  LOW);
635    digitalWrite(led7, LOW);
636    digitalWrite(led8, LOW);
637  }
638    if (mDay == 13) {
639
640    lcd.setCursor(0, 2);
641    lcd.print("   Waxing  Gibbons");
642    lcd.setCursor(0, 3);
643    lcd.print(" Illumination 96 %  ");
644    digitalWrite(led1, LOW);
645    digitalWrite(led2, LOW);
646    digitalWrite(led3,  LOW);
647    digitalWrite(led4, HIGH);
648    digitalWrite(led5, LOW);
649    digitalWrite(led6,  LOW);
650    digitalWrite(led7, LOW);
651    digitalWrite(led8, LOW);
652  }
653    if (mDay == 14) {
654
655    lcd.setCursor(0, 2);
656    lcd.print("   Waxing  Gibbons");
657    lcd.setCursor(0, 3);
658    lcd.print(" Illumination 99 %  ");
659    digitalWrite(led1, LOW);
660    digitalWrite(led2, LOW);
661    digitalWrite(led3,  LOW);
662    digitalWrite(led4, HIGH);
663    digitalWrite(led5, LOW);
664    digitalWrite(led6,  LOW);
665    digitalWrite(led7, LOW);
666    digitalWrite(led8, LOW);
667  }
668  if (mDay == 15) {
669
670    lcd.setCursor(0, 2);
671    lcd.print("     Full  Moon   ");
672    lcd.setCursor(0, 3);
673    lcd.print(" Illumination 100 % ");
674    digitalWrite(led1, LOW);
675    digitalWrite(led2, LOW);
676    digitalWrite(led3,  LOW);
677    digitalWrite(led4, LOW);
678    digitalWrite(led5, HIGH);
679    digitalWrite(led6,  LOW);
680    digitalWrite(led7, LOW);
681    digitalWrite(led8, LOW);
682  }
683  if (mDay == 16) {
684
685    lcd.setCursor(0, 2);
686    lcd.print("   Waning  Gibbons");
687    lcd.setCursor(0, 3);
688    lcd.print(" Illumination 98 %  ");
689    digitalWrite(led1, LOW);
690    digitalWrite(led2, LOW);
691    digitalWrite(led3,  LOW);
692    digitalWrite(led4, LOW);
693    digitalWrite(led5, LOW);
694    digitalWrite(led6,  HIGH);
695    digitalWrite(led7, LOW);
696    digitalWrite(led8, LOW);
697  }
698  if (mDay == 17) {
699
700    lcd.setCursor(0, 2);
701    lcd.print("   Waning  Gibbons");
702    lcd.setCursor(0, 3);
703    lcd.print(" Illumination 93 %  ");
704    digitalWrite(led1, LOW);
705    digitalWrite(led2, LOW);
706    digitalWrite(led3,  LOW);
707    digitalWrite(led4, LOW);
708    digitalWrite(led5, LOW);
709    digitalWrite(led6,  HIGH);
710    digitalWrite(led7, LOW);
711    digitalWrite(led8, LOW);
712  }
713  if (mDay == 18) {
714
715    lcd.setCursor(0, 2);
716    lcd.print("   Waning  Gibbons");
717    lcd.setCursor(0, 3);
718    lcd.print(" Illumination 86 %  ");
719    digitalWrite(led1, LOW);
720    digitalWrite(led2, LOW);
721    digitalWrite(led3,  LOW);
722    digitalWrite(led4, LOW);
723    digitalWrite(led5, LOW);
724    digitalWrite(led6,  HIGH);
725    digitalWrite(led7, LOW);
726    digitalWrite(led8, LOW);
727  }
728  if (mDay == 19) {
729
730    lcd.setCursor(0, 2);
731    lcd.print("   Waning  Gibbons");
732    lcd.setCursor(0, 3);
733    lcd.print(" Illumination 77 %  ");
734    digitalWrite(led1, LOW);
735    digitalWrite(led2, LOW);
736    digitalWrite(led3,  LOW);
737    digitalWrite(led4, LOW);
738    digitalWrite(led5, LOW);
739    digitalWrite(led6,  HIGH);
740    digitalWrite(led7, LOW);
741    digitalWrite(led8, LOW);
742  }
743  if (mDay == 20) {
744
745    lcd.setCursor(0, 2);
746    lcd.print("   Waning  Gibbons");
747    lcd.setCursor(0, 3);
748    lcd.print(" Illumination 67 %  ");
749    digitalWrite(led1, LOW);
750    digitalWrite(led2, LOW);
751    digitalWrite(led3,  LOW);
752    digitalWrite(led4, LOW);
753    digitalWrite(led5, LOW);
754    digitalWrite(led6,  HIGH);
755    digitalWrite(led7, LOW);
756    digitalWrite(led8, LOW);
757  }
758  if (mDay == 21) {
759
760    lcd.setCursor(0, 2);
761    lcd.print("   Waning  Gibbons");
762    lcd.setCursor(0, 3);
763    lcd.print(" Illumination 56 %  ");
764    digitalWrite(led1, LOW);
765    digitalWrite(led2, LOW);
766    digitalWrite(led3,  LOW);
767    digitalWrite(led4, LOW);
768    digitalWrite(led5, LOW);
769    digitalWrite(led6,  HIGH);
770    digitalWrite(led7, LOW);
771    digitalWrite(led8, LOW);
772  }
773  if (mDay == 22) {
774
775    lcd.setCursor(0, 2);
776    lcd.print("   Waning  Gibbons");
777    lcd.setCursor(0, 3);
778    lcd.print(" Illumination 52 %  ");
779    digitalWrite(led1, LOW);
780    digitalWrite(led2, LOW);
781    digitalWrite(led3,  LOW);
782    digitalWrite(led4, LOW);
783    digitalWrite(led5, LOW);
784    digitalWrite(led6,  HIGH);
785    digitalWrite(led7, LOW);
786    digitalWrite(led8, LOW);
787  }
788  if (mDay == 23) {
789
790    lcd.setCursor(0, 2);
791    lcd.print("    Last  Quarter ");
792    lcd.setCursor(0, 3);
793    lcd.print(" Illumination 50 %  ");
794    digitalWrite(led1, LOW);
795    digitalWrite(led2, LOW);
796    digitalWrite(led3,  LOW);
797    digitalWrite(led4, LOW);
798    digitalWrite(led5, LOW);
799    digitalWrite(led6,  LOW);
800    digitalWrite(led7, HIGH);
801    digitalWrite(led8, LOW);
802  }
803  if (mDay == 24) {
804
805    lcd.setCursor(0, 2);
806    lcd.print("   Waning  Cresent");
807    lcd.setCursor(0, 3);
808    lcd.print(" Illumination 34 %  ");
809    digitalWrite(led1, LOW);
810    digitalWrite(led2, LOW);
811    digitalWrite(led3,  LOW);
812    digitalWrite(led4, LOW);
813    digitalWrite(led5, LOW);
814    digitalWrite(led6,  LOW);
815    digitalWrite(led7, LOW);
816    digitalWrite(led8, HIGH);
817  }
818  if (mDay == 25) {
819
820    lcd.setCursor(0, 2);
821    lcd.print("   Waning  Cresent");
822    lcd.setCursor(0, 3);
823    lcd.print(" Illumination 24 %  ");
824    digitalWrite(led1, LOW);
825    digitalWrite(led2, LOW);
826    digitalWrite(led3,  LOW);
827    digitalWrite(led4, LOW);
828    digitalWrite(led5, LOW);
829    digitalWrite(led6,  LOW);
830    digitalWrite(led7, LOW);
831    digitalWrite(led8, HIGH);
832  }
833  if (mDay == 26) {
834
835    lcd.setCursor(0, 2);
836    lcd.print("   Waning  Cresent");
837    lcd.setCursor(0, 3);
838    lcd.print(" Illumination 15 %  ");
839    digitalWrite(led1, LOW);
840    digitalWrite(led2, LOW);
841    digitalWrite(led3,  LOW);
842    digitalWrite(led4, LOW);
843    digitalWrite(led5, LOW);
844    digitalWrite(led6,  LOW);
845    digitalWrite(led7, LOW);
846    digitalWrite(led8, HIGH);
847  }
848  if (mDay == 27) {
849
850    lcd.setCursor(0, 2);
851    lcd.print("   Waning  Cresent");
852    lcd.setCursor(0, 3);
853    lcd.print("  Illumination 8 %  ");
854    digitalWrite(led1, LOW);
855    digitalWrite(led2, LOW);
856    digitalWrite(led3,  LOW);
857    digitalWrite(led4, LOW);
858    digitalWrite(led5, LOW);
859    digitalWrite(led6,  LOW);
860    digitalWrite(led7, LOW);
861    digitalWrite(led8, HIGH);
862  }
863  if (mDay == 28) {
864
865    lcd.setCursor(0, 2);
866    lcd.print("   Waning  Cresent");
867    lcd.setCursor(0, 3);
868    lcd.print("  Illumination 3 %  ");
869    digitalWrite(led1, LOW);
870    digitalWrite(led2, LOW);
871    digitalWrite(led3,  LOW);
872    digitalWrite(led4, LOW);
873    digitalWrite(led5, LOW);
874    digitalWrite(led6,  LOW);
875    digitalWrite(led7, LOW);
876    digitalWrite(led8, HIGH);
877  }
878  if (mDay == 29) {
879
880    lcd.setCursor(0, 2);
881    lcd.print("   Waning  Cresent");
882    lcd.setCursor(0, 3);
883    lcd.print("  Illumination 1 %  ");
884    digitalWrite(led1, LOW);
885    digitalWrite(led2, LOW);
886    digitalWrite(led3,  LOW);
887    digitalWrite(led4, LOW);
888    digitalWrite(led5, LOW);
889    digitalWrite(led6,  LOW);
890    digitalWrite(led7, LOW);
891    digitalWrite(led8, HIGH);
892  }
893}
894
895void  print2digits(int number) {
896
897  if (number >= 0 && number < 10) {
898    Serial.write('0');
899  }
900  Serial.print(number);
901}
902
903void CalculaDigits( int hour, int min)
904{
905  int8_t Digit0 = min % 10 ;
906  int8_t Digit1 = (min % 100) / 10 ;
907  int8_t  Digit2 = hour % 10 ;
908  int8_t Digit3 = (hour % 100) / 10 ;
909
910  Digits[3]  = Digit0 ;
911  Digits[2] = Digit1 ;
912  Digits[1] = Digit2 ;
913  Digits[0] =  Digit3 ;
914
915  Display1.display(Digits);
916}
917

// use example DS1307RTC SetTime to set RTC time to PC
// 4, 7 segment  display shows time (TM1637) 4 pin connection
// LCD 20x4, DS3231 RTC and BMP  uses I2C interface
// DHT11 measures inside temp and hum (less acurate) can use  2 dht22 but slight code change
// DHT22 measures outside temp and hum and calculates  Dew Point and Heat Index
// BMP280 measures pressure (mb) and does a basic prediction  of what the weather is meant to be doing (same as a barometer)
// added milli  instead of delay to rotate through the 4 screens
// Sunrise and Sunset times  added
// Moon age and % illumination added
// Moon phase display added
//  16/11/18

#include <RTClib.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include  <DS1307RTC.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP280.h>
#include  <DHT.h>
#include <Time.h>
#include <TimeLib.h>
#include <TM1637.h>
#include  <sunMoon.h>

#define DHT1PIN 12       // DHT11 TO PIN 7
#define DHT2PIN  13       // DHT22 to PIN 13
#define DHT2TYPE DHT22   // DHT22  
#define DHT1TYPE  DHT11   // DHT11
#define CLK 11           // 7 segment display PIN CLK
#define  DIO 10           // 7 segment display PIN DIO
#define OUR_latitude    50.770854       // Sidlesham cordinates
#define OUR_longtitude  -0.784057
#define OUR_timezone  0   // localtime with UTC difference in minutes

float V = 7.2;    //version

sunMoon  sm;

TM1637 Display1(CLK, DIO);
int8_t Digits[] = {0, 1, 2, 3};
int  hours;
int minutes;

const int led1  = 2;   //New Moon (Blue LED)
const  int led2  = 3;   //Waxing Cresent (White LED)
const int led3  = 4;   //First  Quarter (White LED)
const int led4  = 5;   //Waxing Gibbon (White LED)
const  int led5  = 6;   //Full Moon (White LED)
const int led6  = 7;   //Wanning Gibbon  (White LED)
const int led7  = 8;   //Last Quarter (White LED)
const int led8  = 9;   //Waning Cresent (White LED)

byte mDay = sm.moonDay();

boolean  alterna;

DHT dht2 (DHT2PIN, DHT2TYPE);   //outside temp,hum
DHT dht1 (DHT1PIN,  DHT1TYPE);   //inside temp,hum
Adafruit_BMP280 bme;

LiquidCrystal_I2C  lcd(0x27, 20, 4); // Set the LCD I2C address

int chk;
int LDR = A0;
int  Light = 0;

float temp1;      //Inside Temperature
float hum1;       //Inside  Humidity
float temp2;      //Outside Temperature
float hum2;       //Outside  Humidity
float Pressure;   //Pressure!
float dp;         //Dew Point Outside
float  temp2f;     //temp outside in F
float hif;        //Heat index in F
float  hic;        //Heat Index in C
float sRise;      //Sun Rise Calculation
float  sSet;       //Sun Set Calculation

unsigned long switchMillis = 0;
unsigned  long interval = 5000;       // 5 seconds for each lcd screen
byte count = 0;

boolean  firstScreenFlag = false;
boolean secondScreenFlag = false;
boolean thirdScreenFlag  = false;
boolean fouthScreenFlag = false;
boolean fifthScreenFlag = false;

void  setup()
{

  tmElements_t  tm;                             // specific  time
  time_t s_date = makeTime(tm);

  Serial.begin(9600);
  setSyncProvider(RTC.get);                     // the function to get the time from the RTC
  if (timeStatus()  != timeSet)
    Serial.println("Unable to sync with the RTC");
  else
    Serial.println("RTC has set the system time");

  sm.init(OUR_timezone,  OUR_latitude, OUR_longtitude);

  time_t sRise = sm.sunRise();
  time_t  sSet  = sm.sunSet();

  sRise = sm.sunRise(s_date);
  sSet  = sm.sunSet(s_date);

  Serial.begin(9600);

  Display1.set();
  Display1.init();

  pinMode(led1,  OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4,  OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(led7,  OUTPUT);
  pinMode(led8, OUTPUT);
  pinMode(LDR, INPUT);
  
  lcd.init();
  lcd.clear();
  lcd.backlight();
  dht1.begin();
  dht2.begin();
  Wire.begin();

  lcd.setCursor(0, 0);
  lcd.print(F("  Weather Station"));
  lcd.setCursor(3,  2);
  lcd.print(F("Version : "));
  lcd.print(V, 1);
  delay(3000);
  lcd.clear();

  if (!bme.begin())
  {
    while (1);
  }

}

void  loop()
{

  Light = analogRead(LDR);
  
  if (Light > 900) {
    lcd.noBacklight();    //Turns off LCD Backlight when dark

  }  else   {

    lcd.backlight();      //Turns on LCD Backlight when light
  }

  tmElements_t  tm;
  time_t s_date = makeTime(tm);

  if (RTC.read(tm)) {

    print2digits(tm.Hour);
    print2digits(tm.Minute);

    hours = tm.Hour;
    minutes = tm.Minute;
    CalculaDigits(hours, minutes);
    if (alterna)
    {
      Display1.point(POINT_OFF);
      alterna = false;
    }
    else
    {
      Display1.point(POINT_ON);
      alterna = true;
    }

  } else {
    if (RTC.chipPresent()) {

    } else {

    }
    delay(9000);
  }
  delay(1000);

  if  (millis() - switchMillis > interval)
  {
    count++;

    if (count  == 1)
    {
      firstScreenFlag = true;
      count = 1;
    }
    if (count == 2)
    {
      secondScreenFlag = true;
      count =  2;
    }
    if (count == 3)
    {
      thirdScreenFlag = true;
      count = 3;
    }
    if (count == 4)
    {
      fouthScreenFlag  = true;
      count = 4;
    }
    if (count == 5)
    {
      fifthScreenFlag  = true;
      count = 0;
    }
    switchMillis += interval;
  }

  if (firstScreenFlag)
  {
    printTime(1, 0, tm);
    firstScreenFlag  = false;
  }

  if (secondScreenFlag)
  {
    printTemp();
    secondScreenFlag  = false;
  }

  if (thirdScreenFlag)
  {
    printIndex();
    thirdScreenFlag  = false;
  }

  if (fouthScreenFlag)
  {
    printPressure();
    fouthScreenFlag = false;
  }
  if (fifthScreenFlag)
  {
    printMoon(tm);
    fifthScreenFlag = false;
  }
}

void printLcdDate(time_t date)
{
  char rise[10];
  sprintf(rise, "%02d:%02d", hour(date), minute(date));
  lcd.print(rise);
}

void printTime(int character, int line, tmElements_t  tm)
{

  lcd.clear();
  String seconds, minutes;
  lcd.setCursor(character,  line);
  lcd.print(tm.Hour);
  lcd.print(F(":"));
  if (tm.Minute < 10)
  {
    minutes = "0" + String(tm.Minute);
    lcd.print(minutes);
  }  else
  {
    lcd.print(tm.Minute);
  }

  lcd.setCursor(9, 0);
  lcd.print(tm.Day);
  lcd.print(F("/"));
  lcd.print(tm.Month);
  lcd.print(F("/"));
  lcd.print(tmYearToCalendar(tm.Year));

  time_t s_date = makeTime(tm);
  time_t sRise = sm.sunRise();
  time_t sSet  = sm.sunSet();
  sRise = sm.sunRise(s_date);
  sSet  = sm.sunSet(s_date);

  lcd.setCursor(1, 2);
  lcd.print(F("SunRise  :  "));
  printLcdDate(sRise);
  lcd.setCursor(1, 3);
  lcd.print(F("SunSet   :  "));
  printLcdDate(sSet);

}

void printTemp()
{
  hum1  = dht1.readHumidity();               //inside
  temp1 = dht1.readTemperature();           //inside
  hum2 = dht2.readHumidity();               //outside
  temp2 = dht2.readTemperature();           //outside

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(F("   Inside    Outside"));
  lcd.setCursor(0,  2);
  lcd.print(F("T: "));
  lcd.print(temp1, 1);
  lcd.print(F(" "));
  lcd.print((char)223);
  lcd.print(F("C"));
  lcd.setCursor(13, 2);
  lcd.print(temp2, 1);
  lcd.print(F(" "));
  lcd.print(( char)223);
  lcd.print(F("C"));

  lcd.setCursor(0, 3);
  lcd.print(F("H:  "));
  lcd.print(hum1, 0);
  lcd.print(F(" %"));
  lcd.setCursor(14, 3);
  lcd.print(hum2, 0);
  lcd.print(F(" %"));

}
void printIndex()
{

  hum2 = dht2.readHumidity();               //outside
  temp2 = dht2.readTemperature();           //outside
  temp2f = dht2.readTemperature(true);      // temp in f

  double Point = log(hum2 / 100) + ((17.62 * temp2) / (243.5 + temp2));
  double  dp = 243.5 * Point / (17.62 - Point);

  lcd.clear();
  lcd.setCursor(0,  0);
  lcd.print(F("  Outside Readings"));
  lcd.setCursor(0, 2);
  lcd.print(F("Dew  Point  : "));
  lcd.print(dp, 1);
  lcd.print(F(" "));
  lcd.print((char)223);
  lcd.print(F("C"));

  hif = dht2.computeHeatIndex(temp2f, hum2);          //heat  index in degrees F
  hic = dht2.computeHeatIndex(temp2, hum2, false);    //heat  index in degrees C

  lcd.setCursor(0, 3);
  lcd.print(F("Heat Index :  "));
  lcd.print(hic, 1);
  lcd.print(F(" "));
  lcd.print((char)223);
  lcd.print(F("C"));

}
void printPressure()
{
  Pressure = (bme.readPressure()  / 100);    // 100 Pa = 1 millibar

  lcd.clear();
  lcd.setCursor(0, 1);
  lcd.print(F(" Press : "));
  lcd.print(Pressure);
  lcd.print(F(" mb"));
  lcd.setCursor(0, 3);
  lcd.print(F("Weather :"));

  if (Pressure <=  970); {
    lcd.setCursor(13, 3);
    lcd.print(F("         "));
    lcd.setCursor(13,  3);
    lcd.print(F("Stormy"));
  }
  if (Pressure > 970) {
    lcd.setCursor(11,  3);
    lcd.print(F("         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Much  Rain"));
  }
  if (Pressure > 996) {
    lcd.setCursor(11, 3);
    lcd.print(F("         "));
    lcd.setCursor(13, 3);
    lcd.print(F("Rain"));
  }
  if  (Pressure > 1006) {
    lcd.setCursor(11, 3);
    lcd.print(F("         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Variable"));
  }
  if  (Pressure  > 1030) {
    lcd.setCursor(11, 3);
    lcd.print(F("         "));
    lcd.setCursor(13,  3);
    lcd.print(F("Fair"));
  }
  if (Pressure > 1040) {
    lcd.setCursor(11,  3);
    lcd.print(F("         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Set  Fair"));
  }
  if (Pressure > 1060) {
    lcd.setCursor(11, 3);
    lcd.print(F("         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Very Dry"));
  }
}

void printMoon(tmElements_t tm)
{
  time_t s_date = makeTime(tm);
  mDay = sm.moonDay(s_date);

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(" Moon age is ");
  lcd.print(mDay);
  if (mDay == 1) {
    lcd.print(" day ");
  }
  else {
    lcd.print(" days");
  }
  lcd.setCursor(0, 2);

  if (mDay == 0) {

    lcd.setCursor(0, 2);
    lcd.print("      New Moon   ");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 0 %  ");
    digitalWrite(led1, HIGH);
    digitalWrite(led2,  LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5,  LOW);
    digitalWrite(led6, LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8,  LOW);
  }
  if (mDay == 1) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination  1 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

   if (mDay == 2) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 4 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 3) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 8 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 4) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 15 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 5) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 22 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 6) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 31 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 7) {

    lcd.setCursor(0, 2);
    lcd.print("   First Quarter  ");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 50 % ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  HIGH);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 8) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 58 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 9) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 68 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
    if (mDay == 10) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 76 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
    if (mDay == 11) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 84 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
    if (mDay == 12) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 91 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
    if (mDay == 13) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 96 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
    if (mDay == 14) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 99 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 15) {

    lcd.setCursor(0, 2);
    lcd.print("     Full  Moon   ");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 100 % ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, HIGH);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 16) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 98 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 17) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 93 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 18) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 86 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 19) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 77 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 20) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 67 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 21) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 56 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 22) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 52 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }
  if (mDay == 23) {

    lcd.setCursor(0, 2);
    lcd.print("    Last  Quarter ");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 50 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, HIGH);
    digitalWrite(led8, LOW);
  }
  if (mDay == 24) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 34 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
  if (mDay == 25) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 24 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
  if (mDay == 26) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 15 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
  if (mDay == 27) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 8 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
  if (mDay == 28) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 3 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
  if (mDay == 29) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 1 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
}

void  print2digits(int number) {

  if (number >= 0 && number < 10) {
    Serial.write('0');
  }
  Serial.print(number);
}

void CalculaDigits( int hour, int min)
{
  int8_t Digit0 = min % 10 ;
  int8_t Digit1 = (min % 100) / 10 ;
  int8_t  Digit2 = hour % 10 ;
  int8_t Digit3 = (hour % 100) / 10 ;

  Digits[3]  = Digit0 ;
  Digits[2] = Digit1 ;
  Digits[1] = Digit2 ;
  Digits[0] =  Digit3 ;

  Display1.display(Digits);
}

Updated Code

c_cpp

1// use example DS1307RTC SetTime to set RTC time to PC
2// 4, 7 segment
3  display shows time (TM1637) 4 pin connection
4// LCD 20x4, DS3231 RTC and BMP
5  uses I2C interface
6// DHT11 measures inside temp and hum (less acurate) can use
7  2 dht22 but slight code change
8// DHT22 measures outside temp and hum and calculates
9  Dew Point and Heat Index
10// BMP280 measures pressure (mb) and does a basic prediction
11  of what the weather is meant to be doing (same as a barometer)
12// added milli
13  instead of delay to rotate through the 4 screens
14// Sunrise and Sunset times
15  added
16// Moon age and % illumination added
17// Moon phase display added
18//
19  16/11/18
20
21#include <RTClib.h>
22#include <Wire.h>
23#include <LiquidCrystal_I2C.h>
24#include
25  <DS1307RTC.h>
26#include <SPI.h>
27#include <Adafruit_Sensor.h>
28#include <Adafruit_BMP280.h>
29#include
30  <DHT.h>
31#include <Time.h>
32#include <TimeLib.h>
33#include <TM1637.h>
34#include
35  <sunMoon.h>
36
37#define DHT1PIN 12       // DHT11 TO PIN 7
38#define DHT2PIN
39  13       // DHT22 to PIN 13
40#define DHT2TYPE DHT22   // DHT22  
41#define DHT1TYPE
42  DHT11   // DHT11
43#define CLK 11           // 7 segment display PIN CLK
44#define
45  DIO 10           // 7 segment display PIN DIO
46#define OUR_latitude    50.770854
47       // Sidlesham cordinates
48#define OUR_longtitude  -0.784057
49#define OUR_timezone
50  0   // localtime with UTC difference in minutes
51
52float V = 7.2;    //version
53
54sunMoon
55  sm;
56
57TM1637 Display1(CLK, DIO);
58int8_t Digits[] = {0, 1, 2, 3};
59int
60  hours;
61int minutes;
62
63const int led1  = 2;   //New Moon (Blue LED)
64const
65  int led2  = 3;   //Waxing Cresent (White LED)
66const int led3  = 4;   //First
67  Quarter (White LED)
68const int led4  = 5;   //Waxing Gibbon (White LED)
69const
70  int led5  = 6;   //Full Moon (White LED)
71const int led6  = 7;   //Wanning Gibbon
72  (White LED)
73const int led7  = 8;   //Last Quarter (White LED)
74const int led8
75  = 9;   //Waning Cresent (White LED)
76
77byte mDay = sm.moonDay();
78
79boolean
80  alterna;
81
82DHT dht2 (DHT2PIN, DHT2TYPE);   //outside temp,hum
83DHT dht1 (DHT1PIN,
84  DHT1TYPE);   //inside temp,hum
85Adafruit_BMP280 bme;
86
87LiquidCrystal_I2C
88  lcd(0x27, 20, 4); // Set the LCD I2C address
89
90int chk;
91int LDR = A0;
92int
93  Light = 0;
94
95float temp1;      //Inside Temperature
96float hum1;       //Inside
97  Humidity
98float temp2;      //Outside Temperature
99float hum2;       //Outside
100  Humidity
101float Pressure;   //Pressure!
102float dp;         //Dew Point Outside
103float
104  temp2f;     //temp outside in F
105float hif;        //Heat index in F
106float
107  hic;        //Heat Index in C
108float sRise;      //Sun Rise Calculation
109float
110  sSet;       //Sun Set Calculation
111
112unsigned long switchMillis = 0;
113unsigned
114  long interval = 5000;       // 5 seconds for each lcd screen
115byte count = 0;
116
117boolean
118  firstScreenFlag = false;
119boolean secondScreenFlag = false;
120boolean thirdScreenFlag
121  = false;
122boolean fouthScreenFlag = false;
123boolean fifthScreenFlag = false;
124
125void
126  setup()
127{
128
129  tmElements_t  tm;                             // specific
130  time
131  time_t s_date = makeTime(tm);
132
133  Serial.begin(9600);
134  setSyncProvider(RTC.get);
135                     // the function to get the time from the RTC
136  if (timeStatus()
137  != timeSet)
138    Serial.println("Unable to sync with the RTC");
139  else
140
141    Serial.println("RTC has set the system time");
142
143  sm.init(OUR_timezone,
144  OUR_latitude, OUR_longtitude);
145
146  time_t sRise = sm.sunRise();
147  time_t
148  sSet  = sm.sunSet();
149
150  sRise = sm.sunRise(s_date);
151  sSet  = sm.sunSet(s_date);
152
153
154  Serial.begin(9600);
155
156  Display1.set();
157  Display1.init();
158
159  pinMode(led1,
160  OUTPUT);
161  pinMode(led2, OUTPUT);
162  pinMode(led3, OUTPUT);
163  pinMode(led4,
164  OUTPUT);
165  pinMode(led5, OUTPUT);
166  pinMode(led6, OUTPUT);
167  pinMode(led7,
168  OUTPUT);
169  pinMode(led8, OUTPUT);
170  pinMode(LDR, INPUT);
171  
172  lcd.init();
173
174  lcd.clear();
175  lcd.backlight();
176  dht1.begin();
177  dht2.begin();
178  Wire.begin();
179
180
181  lcd.setCursor(0, 0);
182  lcd.print(F("  Weather Station"));
183  lcd.setCursor(3,
184  2);
185  lcd.print(F("Version : "));
186  lcd.print(V, 1);
187  delay(3000);
188
189  lcd.clear();
190
191  if (!bme.begin())
192  {
193    while (1);
194  }
195
196}
197
198void
199  loop()
200{
201
202  Light = analogRead(LDR);
203  
204  if (Light > 900) {
205
206    lcd.noBacklight();    //Turns off LCD Backlight when dark
207
208  }  else   {
209
210
211    lcd.backlight();      //Turns on LCD Backlight when light
212  }
213
214  tmElements_t
215  tm;
216  time_t s_date = makeTime(tm);
217
218  if (RTC.read(tm)) {
219
220    print2digits(tm.Hour);
221
222    print2digits(tm.Minute);
223
224    hours = tm.Hour;
225    minutes = tm.Minute;
226
227    CalculaDigits(hours, minutes);
228    if (alterna)
229    {
230      Display1.point(POINT_OFF);
231
232      alterna = false;
233    }
234    else
235    {
236      Display1.point(POINT_ON);
237
238      alterna = true;
239    }
240
241  } else {
242    if (RTC.chipPresent()) {
243
244
245    } else {
246
247    }
248    delay(9000);
249  }
250  delay(1000);
251
252  if
253  (millis() - switchMillis > interval)
254  {
255    count++;
256
257    if (count
258  == 1)
259    {
260      firstScreenFlag = true;
261      count = 1;
262    }
263
264    if (count == 2)
265    {
266      secondScreenFlag = true;
267      count =
268  2;
269    }
270    if (count == 3)
271    {
272      thirdScreenFlag = true;
273
274      count = 3;
275    }
276    if (count == 4)
277    {
278      fouthScreenFlag
279  = true;
280      count = 4;
281    }
282    if (count == 5)
283    {
284      fifthScreenFlag
285  = true;
286      count = 0;
287    }
288    switchMillis += interval;
289  }
290
291
292  if (firstScreenFlag)
293  {
294    printTime(1, 0, tm);
295    firstScreenFlag
296  = false;
297  }
298
299  if (secondScreenFlag)
300  {
301    printTemp();
302    secondScreenFlag
303  = false;
304  }
305
306  if (thirdScreenFlag)
307  {
308    printIndex();
309    thirdScreenFlag
310  = false;
311  }
312
313  if (fouthScreenFlag)
314  {
315    printPressure();
316
317    fouthScreenFlag = false;
318  }
319  if (fifthScreenFlag)
320  {
321    printMoon(tm);
322
323    fifthScreenFlag = false;
324  }
325}
326
327void printLcdDate(time_t date)
328{
329
330  char rise[10];
331  sprintf(rise, "%02d:%02d", hour(date), minute(date));
332
333  lcd.print(rise);
334}
335
336void printTime(int character, int line, tmElements_t
337  tm)
338{
339
340  lcd.clear();
341  String seconds, minutes;
342  lcd.setCursor(character,
343  line);
344  lcd.print(tm.Hour);
345  lcd.print(F(":"));
346  if (tm.Minute < 10)
347
348  {
349    minutes = "0" + String(tm.Minute);
350    lcd.print(minutes);
351  }
352  else
353  {
354    lcd.print(tm.Minute);
355  }
356
357  lcd.setCursor(9, 0);
358
359  lcd.print(tm.Day);
360  lcd.print(F("/"));
361  lcd.print(tm.Month);
362  lcd.print(F("/"));
363
364  lcd.print(tmYearToCalendar(tm.Year));
365
366  time_t s_date = makeTime(tm);
367
368  time_t sRise = sm.sunRise();
369  time_t sSet  = sm.sunSet();
370  sRise = sm.sunRise(s_date);
371
372  sSet  = sm.sunSet(s_date);
373
374  lcd.setCursor(1, 2);
375  lcd.print(F("SunRise
376  :  "));
377  printLcdDate(sRise);
378  lcd.setCursor(1, 3);
379  lcd.print(F("SunSet
380   :  "));
381  printLcdDate(sSet);
382
383}
384
385void printTemp()
386{
387  hum1
388  = dht1.readHumidity();               //inside
389  temp1 = dht1.readTemperature();
390           //inside
391  hum2 = dht2.readHumidity();               //outside
392
393  temp2 = dht2.readTemperature();           //outside
394
395  lcd.clear();
396
397  lcd.setCursor(0, 0);
398  lcd.print(F("   Inside    Outside"));
399  lcd.setCursor(0,
400  2);
401  lcd.print(F("T: "));
402  lcd.print(temp1, 1);
403  lcd.print(F(" "));
404
405  lcd.print((char)223);
406  lcd.print(F("C"));
407  lcd.setCursor(13, 2);
408
409  lcd.print(temp2, 1);
410  lcd.print(F(" "));
411  lcd.print(( char)223);
412
413  lcd.print(F("C"));
414
415  lcd.setCursor(0, 3);
416  lcd.print(F("H:  "));
417
418  lcd.print(hum1, 0);
419  lcd.print(F(" %"));
420  lcd.setCursor(14, 3);
421
422  lcd.print(hum2, 0);
423  lcd.print(F(" %"));
424
425}
426void printIndex()
427{
428
429
430  hum2 = dht2.readHumidity();               //outside
431  temp2 = dht2.readTemperature();
432           //outside
433  temp2f = dht2.readTemperature(true);      // temp in f
434
435
436  double Point = log(hum2 / 100) + ((17.62 * temp2) / (243.5 + temp2));
437  double
438  dp = 243.5 * Point / (17.62 - Point);
439
440  lcd.clear();
441  lcd.setCursor(0,
442  0);
443  lcd.print(F("  Outside Readings"));
444  lcd.setCursor(0, 2);
445  lcd.print(F("Dew
446  Point  : "));
447  lcd.print(dp, 1);
448  lcd.print(F(" "));
449  lcd.print((char)223);
450
451  lcd.print(F("C"));
452
453  hif = dht2.computeHeatIndex(temp2f, hum2);          //heat
454  index in degrees F
455  hic = dht2.computeHeatIndex(temp2, hum2, false);    //heat
456  index in degrees C
457
458  lcd.setCursor(0, 3);
459  lcd.print(F("Heat Index :
460  "));
461  lcd.print(hic, 1);
462  lcd.print(F(" "));
463  lcd.print((char)223);
464
465  lcd.print(F("C"));
466
467}
468void printPressure()
469{
470  Pressure = (bme.readPressure()
471  / 100);    // 100 Pa = 1 millibar
472
473  lcd.clear();
474  lcd.setCursor(0, 1);
475
476  lcd.print(F(" Press : "));
477  lcd.print(Pressure);
478  lcd.print(F(" mb"));
479
480  lcd.setCursor(0, 3);
481  lcd.print(F("Weather :"));
482
483  if (Pressure <=
484  970); {
485    lcd.setCursor(13, 3);
486    lcd.print(F("         "));
487    lcd.setCursor(13,
488  3);
489    lcd.print(F("Stormy"));
490  }
491  if (Pressure > 970) {
492    lcd.setCursor(11,
493  3);
494    lcd.print(F("         "));
495    lcd.setCursor(11, 3);
496    lcd.print(F("Much
497  Rain"));
498  }
499  if (Pressure > 996) {
500    lcd.setCursor(11, 3);
501    lcd.print(F("
502         "));
503    lcd.setCursor(13, 3);
504    lcd.print(F("Rain"));
505  }
506
507  if  (Pressure > 1006) {
508    lcd.setCursor(11, 3);
509    lcd.print(F("         "));
510
511    lcd.setCursor(11, 3);
512    lcd.print(F("Variable"));
513  }
514  if  (Pressure
515  > 1030) {
516    lcd.setCursor(11, 3);
517    lcd.print(F("         "));
518    lcd.setCursor(13,
519  3);
520    lcd.print(F("Fair"));
521  }
522  if (Pressure > 1040) {
523    lcd.setCursor(11,
524  3);
525    lcd.print(F("         "));
526    lcd.setCursor(11, 3);
527    lcd.print(F("Set
528  Fair"));
529  }
530  if (Pressure > 1060) {
531    lcd.setCursor(11, 3);
532    lcd.print(F("
533         "));
534    lcd.setCursor(11, 3);
535    lcd.print(F("Very Dry"));
536
537  }
538}
539
540void printMoon(tmElements_t tm)
541{
542  time_t s_date = makeTime(tm);
543
544  mDay = sm.moonDay(s_date);
545
546  lcd.clear();
547  lcd.setCursor(0, 0);
548
549  lcd.print(" Moon age is ");
550  lcd.print(mDay);
551  if (mDay == 1) {
552
553    lcd.print(" day ");
554  }
555  else {
556    lcd.print(" days");
557  }
558
559  lcd.setCursor(0, 2);
560
561  if (mDay == 0) {
562
563    lcd.setCursor(0, 2);
564
565    lcd.print("      New Moon   ");
566    lcd.setCursor(0, 3);
567    lcd.print("
568  Illumination 0 %  ");
569    digitalWrite(led1, HIGH);
570    digitalWrite(led2,
571  LOW);
572    digitalWrite(led3, LOW);
573    digitalWrite(led4, LOW);
574    digitalWrite(led5,
575  LOW);
576    digitalWrite(led6, LOW);
577    digitalWrite(led7, LOW);
578    digitalWrite(led8,
579  LOW);
580  }
581  if (mDay == 1) {
582
583    lcd.setCursor(0, 2);
584    lcd.print("
585   Waxing Cresent");
586    lcd.setCursor(0, 3);
587    lcd.print("  Illumination
588  1 %  ");
589    digitalWrite(led1, LOW);
590    digitalWrite(led2, HIGH);
591    digitalWrite(led3,
592  LOW);
593    digitalWrite(led4, LOW);
594    digitalWrite(led5, LOW);
595    digitalWrite(led6,
596  LOW);
597    digitalWrite(led7, LOW);
598    digitalWrite(led8, LOW);
599  }
600
601
602   if (mDay == 2) {
603
604    lcd.setCursor(0, 2);
605    lcd.print("   Waxing
606  Cresent");
607    lcd.setCursor(0, 3);
608    lcd.print("  Illumination 4 %  ");
609
610    digitalWrite(led1, LOW);
611    digitalWrite(led2, HIGH);
612    digitalWrite(led3,
613  LOW);
614    digitalWrite(led4, LOW);
615    digitalWrite(led5, LOW);
616    digitalWrite(led6,
617  LOW);
618    digitalWrite(led7, LOW);
619    digitalWrite(led8, LOW);
620  }
621
622
623  if (mDay == 3) {
624
625    lcd.setCursor(0, 2);
626    lcd.print("   Waxing
627  Cresent");
628    lcd.setCursor(0, 3);
629    lcd.print("  Illumination 8 %  ");
630
631    digitalWrite(led1, LOW);
632    digitalWrite(led2, HIGH);
633    digitalWrite(led3,
634  LOW);
635    digitalWrite(led4, LOW);
636    digitalWrite(led5, LOW);
637    digitalWrite(led6,
638  LOW);
639    digitalWrite(led7, LOW);
640    digitalWrite(led8, LOW);
641  }
642
643
644  if (mDay == 4) {
645
646    lcd.setCursor(0, 2);
647    lcd.print("   Waxing
648  Cresent");
649    lcd.setCursor(0, 3);
650    lcd.print(" Illumination 15 %  ");
651
652    digitalWrite(led1, LOW);
653    digitalWrite(led2, HIGH);
654    digitalWrite(led3,
655  LOW);
656    digitalWrite(led4, LOW);
657    digitalWrite(led5, LOW);
658    digitalWrite(led6,
659  LOW);
660    digitalWrite(led7, LOW);
661    digitalWrite(led8, LOW);
662  }
663
664
665  if (mDay == 5) {
666
667    lcd.setCursor(0, 2);
668    lcd.print("   Waxing
669  Cresent");
670    lcd.setCursor(0, 3);
671    lcd.print(" Illumination 22 %  ");
672
673    digitalWrite(led1, LOW);
674    digitalWrite(led2, HIGH);
675    digitalWrite(led3,
676  LOW);
677    digitalWrite(led4, LOW);
678    digitalWrite(led5, LOW);
679    digitalWrite(led6,
680  LOW);
681    digitalWrite(led7, LOW);
682    digitalWrite(led8, LOW);
683  }
684
685
686  if (mDay == 6) {
687
688    lcd.setCursor(0, 2);
689    lcd.print("   Waxing
690  Cresent");
691    lcd.setCursor(0, 3);
692    lcd.print(" Illumination 31 %  ");
693
694    digitalWrite(led1, LOW);
695    digitalWrite(led2, HIGH);
696    digitalWrite(led3,
697  LOW);
698    digitalWrite(led4, LOW);
699    digitalWrite(led5, LOW);
700    digitalWrite(led6,
701  LOW);
702    digitalWrite(led7, LOW);
703    digitalWrite(led8, LOW);
704  }
705
706
707  if (mDay == 7) {
708
709    lcd.setCursor(0, 2);
710    lcd.print("   First Quarter
711  ");
712    lcd.setCursor(0, 3);
713    lcd.print("  Illumination 50 % ");
714
715    digitalWrite(led1, LOW);
716    digitalWrite(led2, LOW);
717    digitalWrite(led3,
718  HIGH);
719    digitalWrite(led4, LOW);
720    digitalWrite(led5, LOW);
721    digitalWrite(led6,
722  LOW);
723    digitalWrite(led7, LOW);
724    digitalWrite(led8, LOW);
725  }
726
727
728  if (mDay == 8) {
729
730    lcd.setCursor(0, 2);
731    lcd.print("   Waxing
732  Gibbons");
733    lcd.setCursor(0, 3);
734    lcd.print(" Illumination 58 %  ");
735
736    digitalWrite(led1, LOW);
737    digitalWrite(led2, LOW);
738    digitalWrite(led3,
739  LOW);
740    digitalWrite(led4, HIGH);
741    digitalWrite(led5, LOW);
742    digitalWrite(led6,
743  LOW);
744    digitalWrite(led7, LOW);
745    digitalWrite(led8, LOW);
746  }
747
748  if (mDay == 9) {
749
750    lcd.setCursor(0, 2);
751    lcd.print("   Waxing
752  Gibbons");
753    lcd.setCursor(0, 3);
754    lcd.print(" Illumination 68 %  ");
755
756    digitalWrite(led1, LOW);
757    digitalWrite(led2, LOW);
758    digitalWrite(led3,
759  LOW);
760    digitalWrite(led4, HIGH);
761    digitalWrite(led5, LOW);
762    digitalWrite(led6,
763  LOW);
764    digitalWrite(led7, LOW);
765    digitalWrite(led8, LOW);
766  }
767
768    if (mDay == 10) {
769
770    lcd.setCursor(0, 2);
771    lcd.print("   Waxing
772  Gibbons");
773    lcd.setCursor(0, 3);
774    lcd.print(" Illumination 76 %  ");
775
776    digitalWrite(led1, LOW);
777    digitalWrite(led2, LOW);
778    digitalWrite(led3,
779  LOW);
780    digitalWrite(led4, HIGH);
781    digitalWrite(led5, LOW);
782    digitalWrite(led6,
783  LOW);
784    digitalWrite(led7, LOW);
785    digitalWrite(led8, LOW);
786  }
787
788    if (mDay == 11) {
789
790    lcd.setCursor(0, 2);
791    lcd.print("   Waxing
792  Gibbons");
793    lcd.setCursor(0, 3);
794    lcd.print(" Illumination 84 %  ");
795
796    digitalWrite(led1, LOW);
797    digitalWrite(led2, LOW);
798    digitalWrite(led3,
799  LOW);
800    digitalWrite(led4, HIGH);
801    digitalWrite(led5, LOW);
802    digitalWrite(led6,
803  LOW);
804    digitalWrite(led7, LOW);
805    digitalWrite(led8, LOW);
806  }
807
808    if (mDay == 12) {
809
810    lcd.setCursor(0, 2);
811    lcd.print("   Waxing
812  Gibbons");
813    lcd.setCursor(0, 3);
814    lcd.print(" Illumination 91 %  ");
815
816    digitalWrite(led1, LOW);
817    digitalWrite(led2, LOW);
818    digitalWrite(led3,
819  LOW);
820    digitalWrite(led4, HIGH);
821    digitalWrite(led5, LOW);
822    digitalWrite(led6,
823  LOW);
824    digitalWrite(led7, LOW);
825    digitalWrite(led8, LOW);
826  }
827
828    if (mDay == 13) {
829
830    lcd.setCursor(0, 2);
831    lcd.print("   Waxing
832  Gibbons");
833    lcd.setCursor(0, 3);
834    lcd.print(" Illumination 96 %  ");
835
836    digitalWrite(led1, LOW);
837    digitalWrite(led2, LOW);
838    digitalWrite(led3,
839  LOW);
840    digitalWrite(led4, HIGH);
841    digitalWrite(led5, LOW);
842    digitalWrite(led6,
843  LOW);
844    digitalWrite(led7, LOW);
845    digitalWrite(led8, LOW);
846  }
847
848    if (mDay == 14) {
849
850    lcd.setCursor(0, 2);
851    lcd.print("   Waxing
852  Gibbons");
853    lcd.setCursor(0, 3);
854    lcd.print(" Illumination 99 %  ");
855
856    digitalWrite(led1, LOW);
857    digitalWrite(led2, LOW);
858    digitalWrite(led3,
859  LOW);
860    digitalWrite(led4, HIGH);
861    digitalWrite(led5, LOW);
862    digitalWrite(led6,
863  LOW);
864    digitalWrite(led7, LOW);
865    digitalWrite(led8, LOW);
866  }
867
868  if (mDay == 15) {
869
870    lcd.setCursor(0, 2);
871    lcd.print("     Full
872  Moon   ");
873    lcd.setCursor(0, 3);
874    lcd.print(" Illumination 100 % ");
875
876    digitalWrite(led1, LOW);
877    digitalWrite(led2, LOW);
878    digitalWrite(led3,
879  LOW);
880    digitalWrite(led4, LOW);
881    digitalWrite(led5, HIGH);
882    digitalWrite(led6,
883  LOW);
884    digitalWrite(led7, LOW);
885    digitalWrite(led8, LOW);
886  }
887
888  if (mDay == 16) {
889
890    lcd.setCursor(0, 2);
891    lcd.print("   Waning
892  Gibbons");
893    lcd.setCursor(0, 3);
894    lcd.print(" Illumination 98 %  ");
895
896    digitalWrite(led1, LOW);
897    digitalWrite(led2, LOW);
898    digitalWrite(led3,
899  LOW);
900    digitalWrite(led4, LOW);
901    digitalWrite(led5, LOW);
902    digitalWrite(led6,
903  HIGH);
904    digitalWrite(led7, LOW);
905    digitalWrite(led8, LOW);
906  }
907
908  if (mDay == 17) {
909
910    lcd.setCursor(0, 2);
911    lcd.print("   Waning
912  Gibbons");
913    lcd.setCursor(0, 3);
914    lcd.print(" Illumination 93 %  ");
915
916    digitalWrite(led1, LOW);
917    digitalWrite(led2, LOW);
918    digitalWrite(led3,
919  LOW);
920    digitalWrite(led4, LOW);
921    digitalWrite(led5, LOW);
922    digitalWrite(led6,
923  HIGH);
924    digitalWrite(led7, LOW);
925    digitalWrite(led8, LOW);
926  }
927
928  if (mDay == 18) {
929
930    lcd.setCursor(0, 2);
931    lcd.print("   Waning
932  Gibbons");
933    lcd.setCursor(0, 3);
934    lcd.print(" Illumination 86 %  ");
935
936    digitalWrite(led1, LOW);
937    digitalWrite(led2, LOW);
938    digitalWrite(led3,
939  LOW);
940    digitalWrite(led4, LOW);
941    digitalWrite(led5, LOW);
942    digitalWrite(led6,
943  HIGH);
944    digitalWrite(led7, LOW);
945    digitalWrite(led8, LOW);
946  }
947
948  if (mDay == 19) {
949
950    lcd.setCursor(0, 2);
951    lcd.print("   Waning
952  Gibbons");
953    lcd.setCursor(0, 3);
954    lcd.print(" Illumination 77 %  ");
955
956    digitalWrite(led1, LOW);
957    digitalWrite(led2, LOW);
958    digitalWrite(led3,
959  LOW);
960    digitalWrite(led4, LOW);
961    digitalWrite(led5, LOW);
962    digitalWrite(led6,
963  HIGH);
964    digitalWrite(led7, LOW);
965    digitalWrite(led8, LOW);
966  }
967
968  if (mDay == 20) {
969
970    lcd.setCursor(0, 2);
971    lcd.print("   Waning
972  Gibbons");
973    lcd.setCursor(0, 3);
974    lcd.print(" Illumination 67 %  ");
975
976    digitalWrite(led1, LOW);
977    digitalWrite(led2, LOW);
978    digitalWrite(led3,
979  LOW);
980    digitalWrite(led4, LOW);
981    digitalWrite(led5, LOW);
982    digitalWrite(led6,
983  HIGH);
984    digitalWrite(led7, LOW);
985    digitalWrite(led8, LOW);
986  }
987
988  if (mDay == 21) {
989
990    lcd.setCursor(0, 2);
991    lcd.print("   Waning
992  Gibbons");
993    lcd.setCursor(0, 3);
994    lcd.print(" Illumination 56 %  ");
995
996    digitalWrite(led1, LOW);
997    digitalWrite(led2, LOW);
998    digitalWrite(led3,
999  LOW);
1000    digitalWrite(led4, LOW);
1001    digitalWrite(led5, LOW);
1002    digitalWrite(led6,
1003  HIGH);
1004    digitalWrite(led7, LOW);
1005    digitalWrite(led8, LOW);
1006  }
1007
1008  if (mDay == 22) {
1009
1010    lcd.setCursor(0, 2);
1011    lcd.print("   Waning
1012  Gibbons");
1013    lcd.setCursor(0, 3);
1014    lcd.print(" Illumination 52 %  ");
1015
1016    digitalWrite(led1, LOW);
1017    digitalWrite(led2, LOW);
1018    digitalWrite(led3,
1019  LOW);
1020    digitalWrite(led4, LOW);
1021    digitalWrite(led5, LOW);
1022    digitalWrite(led6,
1023  HIGH);
1024    digitalWrite(led7, LOW);
1025    digitalWrite(led8, LOW);
1026  }
1027
1028  if (mDay == 23) {
1029
1030    lcd.setCursor(0, 2);
1031    lcd.print("    Last
1032  Quarter ");
1033    lcd.setCursor(0, 3);
1034    lcd.print(" Illumination 50 %  ");
1035
1036    digitalWrite(led1, LOW);
1037    digitalWrite(led2, LOW);
1038    digitalWrite(led3,
1039  LOW);
1040    digitalWrite(led4, LOW);
1041    digitalWrite(led5, LOW);
1042    digitalWrite(led6,
1043  LOW);
1044    digitalWrite(led7, HIGH);
1045    digitalWrite(led8, LOW);
1046  }
1047
1048  if (mDay == 24) {
1049
1050    lcd.setCursor(0, 2);
1051    lcd.print("   Waning
1052  Cresent");
1053    lcd.setCursor(0, 3);
1054    lcd.print(" Illumination 34 %  ");
1055
1056    digitalWrite(led1, LOW);
1057    digitalWrite(led2, LOW);
1058    digitalWrite(led3,
1059  LOW);
1060    digitalWrite(led4, LOW);
1061    digitalWrite(led5, LOW);
1062    digitalWrite(led6,
1063  LOW);
1064    digitalWrite(led7, LOW);
1065    digitalWrite(led8, HIGH);
1066  }
1067
1068  if (mDay == 25) {
1069
1070    lcd.setCursor(0, 2);
1071    lcd.print("   Waning
1072  Cresent");
1073    lcd.setCursor(0, 3);
1074    lcd.print(" Illumination 24 %  ");
1075
1076    digitalWrite(led1, LOW);
1077    digitalWrite(led2, LOW);
1078    digitalWrite(led3,
1079  LOW);
1080    digitalWrite(led4, LOW);
1081    digitalWrite(led5, LOW);
1082    digitalWrite(led6,
1083  LOW);
1084    digitalWrite(led7, LOW);
1085    digitalWrite(led8, HIGH);
1086  }
1087
1088  if (mDay == 26) {
1089
1090    lcd.setCursor(0, 2);
1091    lcd.print("   Waning
1092  Cresent");
1093    lcd.setCursor(0, 3);
1094    lcd.print(" Illumination 15 %  ");
1095
1096    digitalWrite(led1, LOW);
1097    digitalWrite(led2, LOW);
1098    digitalWrite(led3,
1099  LOW);
1100    digitalWrite(led4, LOW);
1101    digitalWrite(led5, LOW);
1102    digitalWrite(led6,
1103  LOW);
1104    digitalWrite(led7, LOW);
1105    digitalWrite(led8, HIGH);
1106  }
1107
1108  if (mDay == 27) {
1109
1110    lcd.setCursor(0, 2);
1111    lcd.print("   Waning
1112  Cresent");
1113    lcd.setCursor(0, 3);
1114    lcd.print("  Illumination 8 %  ");
1115
1116    digitalWrite(led1, LOW);
1117    digitalWrite(led2, LOW);
1118    digitalWrite(led3,
1119  LOW);
1120    digitalWrite(led4, LOW);
1121    digitalWrite(led5, LOW);
1122    digitalWrite(led6,
1123  LOW);
1124    digitalWrite(led7, LOW);
1125    digitalWrite(led8, HIGH);
1126  }
1127
1128  if (mDay == 28) {
1129
1130    lcd.setCursor(0, 2);
1131    lcd.print("   Waning
1132  Cresent");
1133    lcd.setCursor(0, 3);
1134    lcd.print("  Illumination 3 %  ");
1135
1136    digitalWrite(led1, LOW);
1137    digitalWrite(led2, LOW);
1138    digitalWrite(led3,
1139  LOW);
1140    digitalWrite(led4, LOW);
1141    digitalWrite(led5, LOW);
1142    digitalWrite(led6,
1143  LOW);
1144    digitalWrite(led7, LOW);
1145    digitalWrite(led8, HIGH);
1146  }
1147
1148  if (mDay == 29) {
1149
1150    lcd.setCursor(0, 2);
1151    lcd.print("   Waning
1152  Cresent");
1153    lcd.setCursor(0, 3);
1154    lcd.print("  Illumination 1 %  ");
1155
1156    digitalWrite(led1, LOW);
1157    digitalWrite(led2, LOW);
1158    digitalWrite(led3,
1159  LOW);
1160    digitalWrite(led4, LOW);
1161    digitalWrite(led5, LOW);
1162    digitalWrite(led6,
1163  LOW);
1164    digitalWrite(led7, LOW);
1165    digitalWrite(led8, HIGH);
1166  }
1167}
1168
1169void
1170  print2digits(int number) {
1171
1172  if (number >= 0 && number < 10) {
1173    Serial.write('0');
1174
1175  }
1176  Serial.print(number);
1177}
1178
1179void CalculaDigits( int hour, int min)
1180{
1181
1182  int8_t Digit0 = min % 10 ;
1183  int8_t Digit1 = (min % 100) / 10 ;
1184  int8_t
1185  Digit2 = hour % 10 ;
1186  int8_t Digit3 = (hour % 100) / 10 ;
1187
1188  Digits[3]
1189  = Digit0 ;
1190  Digits[2] = Digit1 ;
1191  Digits[1] = Digit2 ;
1192  Digits[0] =
1193  Digit3 ;
1194
1195  Display1.display(Digits);
1196}
1197

// use example DS1307RTC SetTime to set RTC time to PC
// 4, 7 segment
  display shows time (TM1637) 4 pin connection
// LCD 20x4, DS3231 RTC and BMP
  uses I2C interface
// DHT11 measures inside temp and hum (less acurate) can use
  2 dht22 but slight code change
// DHT22 measures outside temp and hum and calculates
  Dew Point and Heat Index
// BMP280 measures pressure (mb) and does a basic prediction
  of what the weather is meant to be doing (same as a barometer)
// added milli
  instead of delay to rotate through the 4 screens
// Sunrise and Sunset times
  added
// Moon age and % illumination added
// Moon phase display added
//
  16/11/18

#include <RTClib.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include
  <DS1307RTC.h>
#include <SPI.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP280.h>
#include
  <DHT.h>
#include <Time.h>
#include <TimeLib.h>
#include <TM1637.h>
#include
  <sunMoon.h>

#define DHT1PIN 12       // DHT11 TO PIN 7
#define DHT2PIN
  13       // DHT22 to PIN 13
#define DHT2TYPE DHT22   // DHT22  
#define DHT1TYPE
  DHT11   // DHT11
#define CLK 11           // 7 segment display PIN CLK
#define
  DIO 10           // 7 segment display PIN DIO
#define OUR_latitude    50.770854
       // Sidlesham cordinates
#define OUR_longtitude  -0.784057
#define OUR_timezone
  0   // localtime with UTC difference in minutes

float V = 7.2;    //version

sunMoon
  sm;

TM1637 Display1(CLK, DIO);
int8_t Digits[] = {0, 1, 2, 3};
int
  hours;
int minutes;

const int led1  = 2;   //New Moon (Blue LED)
const
  int led2  = 3;   //Waxing Cresent (White LED)
const int led3  = 4;   //First
  Quarter (White LED)
const int led4  = 5;   //Waxing Gibbon (White LED)
const
  int led5  = 6;   //Full Moon (White LED)
const int led6  = 7;   //Wanning Gibbon
  (White LED)
const int led7  = 8;   //Last Quarter (White LED)
const int led8
  = 9;   //Waning Cresent (White LED)

byte mDay = sm.moonDay();

boolean
  alterna;

DHT dht2 (DHT2PIN, DHT2TYPE);   //outside temp,hum
DHT dht1 (DHT1PIN,
  DHT1TYPE);   //inside temp,hum
Adafruit_BMP280 bme;

LiquidCrystal_I2C
  lcd(0x27, 20, 4); // Set the LCD I2C address

int chk;
int LDR = A0;
int
  Light = 0;

float temp1;      //Inside Temperature
float hum1;       //Inside
  Humidity
float temp2;      //Outside Temperature
float hum2;       //Outside
  Humidity
float Pressure;   //Pressure!
float dp;         //Dew Point Outside
float
  temp2f;     //temp outside in F
float hif;        //Heat index in F
float
  hic;        //Heat Index in C
float sRise;      //Sun Rise Calculation
float
  sSet;       //Sun Set Calculation

unsigned long switchMillis = 0;
unsigned
  long interval = 5000;       // 5 seconds for each lcd screen
byte count = 0;

boolean
  firstScreenFlag = false;
boolean secondScreenFlag = false;
boolean thirdScreenFlag
  = false;
boolean fouthScreenFlag = false;
boolean fifthScreenFlag = false;

void
  setup()
{

  tmElements_t  tm;                             // specific
  time
  time_t s_date = makeTime(tm);

  Serial.begin(9600);
  setSyncProvider(RTC.get);
                     // the function to get the time from the RTC
  if (timeStatus()
  != timeSet)
    Serial.println("Unable to sync with the RTC");
  else

    Serial.println("RTC has set the system time");

  sm.init(OUR_timezone,
  OUR_latitude, OUR_longtitude);

  time_t sRise = sm.sunRise();
  time_t
  sSet  = sm.sunSet();

  sRise = sm.sunRise(s_date);
  sSet  = sm.sunSet(s_date);


  Serial.begin(9600);

  Display1.set();
  Display1.init();

  pinMode(led1,
  OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4,
  OUTPUT);
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(led7,
  OUTPUT);
  pinMode(led8, OUTPUT);
  pinMode(LDR, INPUT);
  
  lcd.init();

  lcd.clear();
  lcd.backlight();
  dht1.begin();
  dht2.begin();
  Wire.begin();


  lcd.setCursor(0, 0);
  lcd.print(F("  Weather Station"));
  lcd.setCursor(3,
  2);
  lcd.print(F("Version : "));
  lcd.print(V, 1);
  delay(3000);

  lcd.clear();

  if (!bme.begin())
  {
    while (1);
  }

}

void
  loop()
{

  Light = analogRead(LDR);
  
  if (Light > 900) {

    lcd.noBacklight();    //Turns off LCD Backlight when dark

  }  else   {


    lcd.backlight();      //Turns on LCD Backlight when light
  }

  tmElements_t
  tm;
  time_t s_date = makeTime(tm);

  if (RTC.read(tm)) {

    print2digits(tm.Hour);

    print2digits(tm.Minute);

    hours = tm.Hour;
    minutes = tm.Minute;

    CalculaDigits(hours, minutes);
    if (alterna)
    {
      Display1.point(POINT_OFF);

      alterna = false;
    }
    else
    {
      Display1.point(POINT_ON);

      alterna = true;
    }

  } else {
    if (RTC.chipPresent()) {


    } else {

    }
    delay(9000);
  }
  delay(1000);

  if
  (millis() - switchMillis > interval)
  {
    count++;

    if (count
  == 1)
    {
      firstScreenFlag = true;
      count = 1;
    }

    if (count == 2)
    {
      secondScreenFlag = true;
      count =
  2;
    }
    if (count == 3)
    {
      thirdScreenFlag = true;

      count = 3;
    }
    if (count == 4)
    {
      fouthScreenFlag
  = true;
      count = 4;
    }
    if (count == 5)
    {
      fifthScreenFlag
  = true;
      count = 0;
    }
    switchMillis += interval;
  }


  if (firstScreenFlag)
  {
    printTime(1, 0, tm);
    firstScreenFlag
  = false;
  }

  if (secondScreenFlag)
  {
    printTemp();
    secondScreenFlag
  = false;
  }

  if (thirdScreenFlag)
  {
    printIndex();
    thirdScreenFlag
  = false;
  }

  if (fouthScreenFlag)
  {
    printPressure();

    fouthScreenFlag = false;
  }
  if (fifthScreenFlag)
  {
    printMoon(tm);

    fifthScreenFlag = false;
  }
}

void printLcdDate(time_t date)
{

  char rise[10];
  sprintf(rise, "%02d:%02d", hour(date), minute(date));

  lcd.print(rise);
}

void printTime(int character, int line, tmElements_t
  tm)
{

  lcd.clear();
  String seconds, minutes;
  lcd.setCursor(character,
  line);
  lcd.print(tm.Hour);
  lcd.print(F(":"));
  if (tm.Minute < 10)

  {
    minutes = "0" + String(tm.Minute);
    lcd.print(minutes);
  }
  else
  {
    lcd.print(tm.Minute);
  }

  lcd.setCursor(9, 0);

  lcd.print(tm.Day);
  lcd.print(F("/"));
  lcd.print(tm.Month);
  lcd.print(F("/"));

  lcd.print(tmYearToCalendar(tm.Year));

  time_t s_date = makeTime(tm);

  time_t sRise = sm.sunRise();
  time_t sSet  = sm.sunSet();
  sRise = sm.sunRise(s_date);

  sSet  = sm.sunSet(s_date);

  lcd.setCursor(1, 2);
  lcd.print(F("SunRise
  :  "));
  printLcdDate(sRise);
  lcd.setCursor(1, 3);
  lcd.print(F("SunSet
   :  "));
  printLcdDate(sSet);

}

void printTemp()
{
  hum1
  = dht1.readHumidity();               //inside
  temp1 = dht1.readTemperature();
           //inside
  hum2 = dht2.readHumidity();               //outside

  temp2 = dht2.readTemperature();           //outside

  lcd.clear();

  lcd.setCursor(0, 0);
  lcd.print(F("   Inside    Outside"));
  lcd.setCursor(0,
  2);
  lcd.print(F("T: "));
  lcd.print(temp1, 1);
  lcd.print(F(" "));

  lcd.print((char)223);
  lcd.print(F("C"));
  lcd.setCursor(13, 2);

  lcd.print(temp2, 1);
  lcd.print(F(" "));
  lcd.print(( char)223);

  lcd.print(F("C"));

  lcd.setCursor(0, 3);
  lcd.print(F("H:  "));

  lcd.print(hum1, 0);
  lcd.print(F(" %"));
  lcd.setCursor(14, 3);

  lcd.print(hum2, 0);
  lcd.print(F(" %"));

}
void printIndex()
{


  hum2 = dht2.readHumidity();               //outside
  temp2 = dht2.readTemperature();
           //outside
  temp2f = dht2.readTemperature(true);      // temp in f


  double Point = log(hum2 / 100) + ((17.62 * temp2) / (243.5 + temp2));
  double
  dp = 243.5 * Point / (17.62 - Point);

  lcd.clear();
  lcd.setCursor(0,
  0);
  lcd.print(F("  Outside Readings"));
  lcd.setCursor(0, 2);
  lcd.print(F("Dew
  Point  : "));
  lcd.print(dp, 1);
  lcd.print(F(" "));
  lcd.print((char)223);

  lcd.print(F("C"));

  hif = dht2.computeHeatIndex(temp2f, hum2);          //heat
  index in degrees F
  hic = dht2.computeHeatIndex(temp2, hum2, false);    //heat
  index in degrees C

  lcd.setCursor(0, 3);
  lcd.print(F("Heat Index :
  "));
  lcd.print(hic, 1);
  lcd.print(F(" "));
  lcd.print((char)223);

  lcd.print(F("C"));

}
void printPressure()
{
  Pressure = (bme.readPressure()
  / 100);    // 100 Pa = 1 millibar

  lcd.clear();
  lcd.setCursor(0, 1);

  lcd.print(F(" Press : "));
  lcd.print(Pressure);
  lcd.print(F(" mb"));

  lcd.setCursor(0, 3);
  lcd.print(F("Weather :"));

  if (Pressure <=
  970); {
    lcd.setCursor(13, 3);
    lcd.print(F("         "));
    lcd.setCursor(13,
  3);
    lcd.print(F("Stormy"));
  }
  if (Pressure > 970) {
    lcd.setCursor(11,
  3);
    lcd.print(F("         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Much
  Rain"));
  }
  if (Pressure > 996) {
    lcd.setCursor(11, 3);
    lcd.print(F("
         "));
    lcd.setCursor(13, 3);
    lcd.print(F("Rain"));
  }

  if  (Pressure > 1006) {
    lcd.setCursor(11, 3);
    lcd.print(F("         "));

    lcd.setCursor(11, 3);
    lcd.print(F("Variable"));
  }
  if  (Pressure
  > 1030) {
    lcd.setCursor(11, 3);
    lcd.print(F("         "));
    lcd.setCursor(13,
  3);
    lcd.print(F("Fair"));
  }
  if (Pressure > 1040) {
    lcd.setCursor(11,
  3);
    lcd.print(F("         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Set
  Fair"));
  }
  if (Pressure > 1060) {
    lcd.setCursor(11, 3);
    lcd.print(F("
         "));
    lcd.setCursor(11, 3);
    lcd.print(F("Very Dry"));

  }
}

void printMoon(tmElements_t tm)
{
  time_t s_date = makeTime(tm);

  mDay = sm.moonDay(s_date);

  lcd.clear();
  lcd.setCursor(0, 0);

  lcd.print(" Moon age is ");
  lcd.print(mDay);
  if (mDay == 1) {

    lcd.print(" day ");
  }
  else {
    lcd.print(" days");
  }

  lcd.setCursor(0, 2);

  if (mDay == 0) {

    lcd.setCursor(0, 2);

    lcd.print("      New Moon   ");
    lcd.setCursor(0, 3);
    lcd.print("
  Illumination 0 %  ");
    digitalWrite(led1, HIGH);
    digitalWrite(led2,
  LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5,
  LOW);
    digitalWrite(led6, LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8,
  LOW);
  }
  if (mDay == 1) {

    lcd.setCursor(0, 2);
    lcd.print("
   Waxing Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination
  1 %  ");
    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


   if (mDay == 2) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 4 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


  if (mDay == 3) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 8 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


  if (mDay == 4) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 15 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


  if (mDay == 5) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 22 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


  if (mDay == 6) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 31 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, HIGH);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


  if (mDay == 7) {

    lcd.setCursor(0, 2);
    lcd.print("   First Quarter
  ");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 50 % ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  HIGH);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }


  if (mDay == 8) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 58 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 9) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 68 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

    if (mDay == 10) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 76 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

    if (mDay == 11) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 84 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

    if (mDay == 12) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 91 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

    if (mDay == 13) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 96 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

    if (mDay == 14) {

    lcd.setCursor(0, 2);
    lcd.print("   Waxing
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 99 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, HIGH);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 15) {

    lcd.setCursor(0, 2);
    lcd.print("     Full
  Moon   ");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 100 % ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, HIGH);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 16) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 98 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 17) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 93 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 18) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 86 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 19) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 77 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 20) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 67 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 21) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 56 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 22) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Gibbons");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 52 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  HIGH);
    digitalWrite(led7, LOW);
    digitalWrite(led8, LOW);
  }

  if (mDay == 23) {

    lcd.setCursor(0, 2);
    lcd.print("    Last
  Quarter ");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 50 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, HIGH);
    digitalWrite(led8, LOW);
  }

  if (mDay == 24) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 34 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }

  if (mDay == 25) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 24 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }

  if (mDay == 26) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print(" Illumination 15 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }

  if (mDay == 27) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 8 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }

  if (mDay == 28) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 3 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }

  if (mDay == 29) {

    lcd.setCursor(0, 2);
    lcd.print("   Waning
  Cresent");
    lcd.setCursor(0, 3);
    lcd.print("  Illumination 1 %  ");

    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3,
  LOW);
    digitalWrite(led4, LOW);
    digitalWrite(led5, LOW);
    digitalWrite(led6,
  LOW);
    digitalWrite(led7, LOW);
    digitalWrite(led8, HIGH);
  }
}

void
  print2digits(int number) {

  if (number >= 0 && number < 10) {
    Serial.write('0');

  }
  Serial.print(number);
}

void CalculaDigits( int hour, int min)
{

  int8_t Digit0 = min % 10 ;
  int8_t Digit1 = (min % 100) / 10 ;
  int8_t
  Digit2 = hour % 10 ;
  int8_t Digit3 = (hour % 100) / 10 ;

  Digits[3]
  = Digit0 ;
  Digits[2] = Digit1 ;
  Digits[1] = Digit2 ;
  Digits[0] =
  Digit3 ;

  Display1.display(Digits);
}

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