Measuring temperatures with LM35 and DS18B20

1/*Code adapted from many sources available in internet like http://www.instructables.com/id/ARDUINO-TEMPERATURE-SENSOR-LM35/
2and  http://www.instructables.com/id/How-to-use-DS18B20-Temperature-Sensor-Arduino-Tuto/
3send  me an e-mail if you need jomar.amaral@gmail.com
4*/
5#include <OneWire.h>
6#include  <DallasTemperature.h>
7
8#define ONE_WIRE_BUS_1 2
9
10OneWire oneWire_in(ONE_WIRE_BUS_1);
11
12DallasTemperature  sensor_inhouse(&oneWire_in);
13
14float DS; //DS18B20 is conected to digital pin  2
15int ledPin[] = {38, 40, 42, 44, 46, 48, 50, 52}; //pins used, you can modify  to you arduino board
16const int LM35 = A15; //define o pino que le a saida do  lm35
17float T; //variavel que armazena a temperatura medida
18float valor;
19float  TM;
20
21void setup(void)
22{
23    Serial.begin(9600);
24   // Serial.println("Dallas  Temperature Control Library Demo - TwoPin_DS18B20");
25
26    sensor_inhouse.begin();
27    for (int j=0; j<8; j++)
28   {
29    pinMode(ledPin[j], OUTPUT); // configura  pino digital como sada
30   }
31
32}
33
34void loop(void)
35{
36//    Serial.print("Requesting  temperatures...");
37    sensor_inhouse.requestTemperatures();
38  //  Serial.println("  done");
39DS = sensor_inhouse.getTempCByIndex(0);
40    Serial.print("Temperatura  em DS18: ");
41 //   Serial.println(sensor_inhouse.getTempCByIndex(0));
42   Serial.println(DS);
43   delay(1000);
44  
45  valor = analogRead(LM35);
46  T = ((5*(valor)*100)/1024);
47  Serial.print("Temperatura em LM35: ");
48  Serial.println(T);
49  delay(1000);
50
51TM  = (DS + T)/2;
52  Serial.print("***Temperatura mEdia em C: ");
53  Serial.println(TM);
54  delay(3000);
55
56  if (TM < 20.00)
57  {
58  digitalWrite(52,HIGH);
59  digitalWrite(50,LOW);
60  digitalWrite(48,LOW);
61  digitalWrite(46,LOW);
62  digitalWrite(44,LOW);
63  digitalWrite(42,LOW);
64  digitalWrite(40,LOW);
65  digitalWrite(38,LOW);
66  }
67  if ((TM >= 20.00) && (TM < 21.50))
68  {
69  digitalWrite(52,HIGH);
70  digitalWrite(50,HIGH);
71  digitalWrite(48,LOW);
72  digitalWrite(46,LOW);
73  digitalWrite(44,LOW);
74  digitalWrite(42,LOW);
75  digitalWrite(40,LOW);
76  digitalWrite(38,LOW);
77  }
78  if ((TM >= 21.50) && (TM < 23.50))
79  {
80  digitalWrite(52,HIGH);
81  digitalWrite(50,HIGH);
82  digitalWrite(48,HIGH);
83  digitalWrite(46,LOW);
84  digitalWrite(44,LOW);
85  digitalWrite(42,LOW);
86  digitalWrite(40,LOW);
87  digitalWrite(38,LOW);
88  }
89  if ((TM >= 23.50)  && (TM < 25.50))
90  {
91  digitalWrite(52,HIGH);
92  digitalWrite(50,HIGH);
93  digitalWrite(48,HIGH);
94  digitalWrite(46,HIGH);
95  digitalWrite(44,LOW);
96  digitalWrite(42,LOW);
97  digitalWrite(40,LOW);
98  digitalWrite(38,LOW);
99  }
100    if ((TM >= 25.50) && (TM < 27.50))
101  {
102  digitalWrite(52,HIGH);
103  digitalWrite(50,HIGH);
104  digitalWrite(48,HIGH);
105  digitalWrite(46,HIGH);
106  digitalWrite(44,HIGH);
107  digitalWrite(42,LOW);
108  digitalWrite(40,LOW);
109  digitalWrite(38,LOW);
110  }
111  if ((TM >= 27.50) && (TM < 30.00))
112  {
113  digitalWrite(52,HIGH);
114  digitalWrite(50,HIGH);
115  digitalWrite(48,HIGH);
116  digitalWrite(46,HIGH);
117  digitalWrite(44,HIGH);
118  digitalWrite(42,HIGH);
119  digitalWrite(40,LOW);
120  digitalWrite(38,LOW);
121  }
122  if ((TM >= 30.00)  && (TM < 33.00))
123  {
124  digitalWrite(52,HIGH);
125  digitalWrite(50,HIGH);
126  digitalWrite(48,HIGH);
127  digitalWrite(46,HIGH);
128  digitalWrite(44,HIGH);
129  digitalWrite(42,HIGH);
130  digitalWrite(40,HIGH);
131  digitalWrite(38,LOW);
132  }  
133  if (TM >= 33.00)
134  {
135  digitalWrite(52,HIGH);
136  digitalWrite(50,HIGH);
137  digitalWrite(48,HIGH);
138  digitalWrite(46,HIGH);
139  digitalWrite(44,HIGH);
140  digitalWrite(42,HIGH);
141  digitalWrite(40,HIGH);
142  digitalWrite(38,HIGH);
143  }
144}
145

1/*Code adapted from many sources available in internet like http://www.instructables.com/id/ARDUINO-TEMPERATURE-SENSOR-LM35/
2and
3  http://www.instructables.com/id/How-to-use-DS18B20-Temperature-Sensor-Arduino-Tuto/
4send
5  me an e-mail if you need jomar.amaral@gmail.com
6*/
7#include <OneWire.h>
8#include
9  <DallasTemperature.h>
10
11#define ONE_WIRE_BUS_1 2
12
13OneWire oneWire_in(ONE_WIRE_BUS_1);
14
15DallasTemperature
16  sensor_inhouse(&oneWire_in);
17
18float DS; //DS18B20 is conected to digital pin
19  2
20int ledPin[] = {38, 40, 42, 44, 46, 48, 50, 52}; //pins used, you can modify
21  to you arduino board
22const int LM35 = A15; //define o pino que le a saida do
23  lm35
24float T; //variavel que armazena a temperatura medida
25float valor;
26float
27  TM;
28
29void setup(void)
30{
31    Serial.begin(9600);
32   // Serial.println("Dallas
33  Temperature Control Library Demo - TwoPin_DS18B20");
34
35    sensor_inhouse.begin();
36
37    for (int j=0; j<8; j++)
38   {
39    pinMode(ledPin[j], OUTPUT); // configura
40  pino digital como sada
41   }
42
43}
44
45void loop(void)
46{
47//    Serial.print("Requesting
48  temperatures...");
49    sensor_inhouse.requestTemperatures();
50  //  Serial.println("
51  done");
52DS = sensor_inhouse.getTempCByIndex(0);
53    Serial.print("Temperatura
54  em DS18: ");
55 //   Serial.println(sensor_inhouse.getTempCByIndex(0));
56   Serial.println(DS);
57
58   delay(1000);
59  
60  valor = analogRead(LM35);
61  T = ((5*(valor)*100)/1024);
62
63  Serial.print("Temperatura em LM35: ");
64  Serial.println(T);
65  delay(1000);
66
67TM
68  = (DS + T)/2;
69  Serial.print("***Temperatura mEdia em C: ");
70  Serial.println(TM);
71
72  delay(3000);
73
74  if (TM < 20.00)
75  {
76  digitalWrite(52,HIGH);
77  digitalWrite(50,LOW);
78
79  digitalWrite(48,LOW);
80  digitalWrite(46,LOW);
81  digitalWrite(44,LOW);
82
83  digitalWrite(42,LOW);
84  digitalWrite(40,LOW);
85  digitalWrite(38,LOW);
86
87  }
88  if ((TM >= 20.00) && (TM < 21.50))
89  {
90  digitalWrite(52,HIGH);
91
92  digitalWrite(50,HIGH);
93  digitalWrite(48,LOW);
94  digitalWrite(46,LOW);
95
96  digitalWrite(44,LOW);
97  digitalWrite(42,LOW);
98  digitalWrite(40,LOW);
99
100  digitalWrite(38,LOW);
101  }
102  if ((TM >= 21.50) && (TM < 23.50))
103  {
104
105  digitalWrite(52,HIGH);
106  digitalWrite(50,HIGH);
107  digitalWrite(48,HIGH);
108
109  digitalWrite(46,LOW);
110  digitalWrite(44,LOW);
111  digitalWrite(42,LOW);
112
113  digitalWrite(40,LOW);
114  digitalWrite(38,LOW);
115  }
116  if ((TM >= 23.50)
117  && (TM < 25.50))
118  {
119  digitalWrite(52,HIGH);
120  digitalWrite(50,HIGH);
121
122  digitalWrite(48,HIGH);
123  digitalWrite(46,HIGH);
124  digitalWrite(44,LOW);
125
126  digitalWrite(42,LOW);
127  digitalWrite(40,LOW);
128  digitalWrite(38,LOW);
129
130  }
131    if ((TM >= 25.50) && (TM < 27.50))
132  {
133  digitalWrite(52,HIGH);
134
135  digitalWrite(50,HIGH);
136  digitalWrite(48,HIGH);
137  digitalWrite(46,HIGH);
138
139  digitalWrite(44,HIGH);
140  digitalWrite(42,LOW);
141  digitalWrite(40,LOW);
142
143  digitalWrite(38,LOW);
144  }
145  if ((TM >= 27.50) && (TM < 30.00))
146  {
147
148  digitalWrite(52,HIGH);
149  digitalWrite(50,HIGH);
150  digitalWrite(48,HIGH);
151
152  digitalWrite(46,HIGH);
153  digitalWrite(44,HIGH);
154  digitalWrite(42,HIGH);
155
156  digitalWrite(40,LOW);
157  digitalWrite(38,LOW);
158  }
159  if ((TM >= 30.00)
160  && (TM < 33.00))
161  {
162  digitalWrite(52,HIGH);
163  digitalWrite(50,HIGH);
164
165  digitalWrite(48,HIGH);
166  digitalWrite(46,HIGH);
167  digitalWrite(44,HIGH);
168
169  digitalWrite(42,HIGH);
170  digitalWrite(40,HIGH);
171  digitalWrite(38,LOW);
172
173  }  
174  if (TM >= 33.00)
175  {
176  digitalWrite(52,HIGH);
177  digitalWrite(50,HIGH);
178
179  digitalWrite(48,HIGH);
180  digitalWrite(46,HIGH);
181  digitalWrite(44,HIGH);
182
183  digitalWrite(42,HIGH);
184  digitalWrite(40,HIGH);
185  digitalWrite(38,HIGH);
186
187  }
188}
189