Automatic Attendance and Classroom Environmental Monitoring

1// Code generated by Arduino IoT Cloud, DO NOT EDIT.
2
3#include <ArduinoIoTCloud.h>
4#include   <Arduino_ConnectionHandler.h>
5
6
7const char THING_ID[]      = "5f584b39-23dd-4bae-9947-a6ae872db8ff";
8
9const   char GPRS_APN[]      = SECRET_APN;
10const char PINNUMBER[]     = SECRET_PIN;
11const   char GPRS_LOGIN[]    = SECRET_USERNAME;
12const char GPRS_PASSWORD[] = SECRET_PASSWORD;
13
14void   onMsgAttendanceChange();
15void onMsgTempHumChange();
16void onLedChange();
17
18String   msg_Attendance;
19String msgTempHum;
20float humidity;
21float temperature;
22bool   led;
23
24void initProperties(){
25
26  ArduinoCloud.setThingId(THING_ID);
27   ArduinoCloud.addProperty(msg_Attendance, READWRITE, ON_CHANGE, onMsgAttendanceChange);
28   ArduinoCloud.addProperty(msgTempHum, READWRITE, ON_CHANGE, onMsgTempHumChange,   5);
29  ArduinoCloud.addProperty(humidity, READ, ON_CHANGE, NULL);
30  ArduinoCloud.addProperty(temperature,   READ, ON_CHANGE, NULL);
31  ArduinoCloud.addProperty(led, READWRITE, ON_CHANGE,   onLedChange);
32
33}
34
35GSMConnectionHandler ArduinoIoTPreferredConnection(PINNUMBER,   GPRS_APN, GPRS_LOGIN, GPRS_PASSWORD);

1#include <SPI.h>
2#include <MFRC522.h>
3#include "thingProperties.h"
4#include   "DHT.h"
5#define DHTpin 2
6#define DHTTYPE DHT11
7#define SS_PIN 11
8#define   RST_PIN 12
9MFRC522 mfrc522(SS_PIN, RST_PIN);
10
11String student[6][2] = {
12   {"90 17 34 37", "Ana" },
13  {"D3 AA D0 45", "Paula" },
14  {"52 98   81 39", "Renato" },
15  {"71 E4 AE 20", "Luis" },
16  {"E3 72 52 1A",   "Angela" },
17  {"91 39 45 20", "Maria" }
18};
19DHT dht(DHTpin, DHTTYPE);
20
21void   setup() {
22  // Initialize serial and wait for port to open:
23  Serial.begin(9600);
24   delay(1500);
25  
26  // Defined in thingProperties.h
27  initProperties();
28   // Connect to Arduino IoT Cloud
29  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
30   setDebugMessageLevel(2);
31  ArduinoCloud.printDebugInfo();
32  delay(4);
33   dht.begin();
34}
35
36void loop() {
37  SPI.begin();
38  mfrc522.PCD_Init();
39   if ( mfrc522.PICC_IsNewCardPresent()) {
40    if (mfrc522.PICC_ReadCardSerial())   {
41      String content = "";
42      byte letter;
43      for (byte i = 0;   i < mfrc522.uid.size; i++)
44      {
45        content.concat(String(mfrc522.uid.uidByte[i]   < 0x10 ? " 0" : " "));
46        content.concat(String(mfrc522.uid.uidByte[i],   HEX));
47      }
48      //Serial.println(content.substring(1));
49      content.toUpperCase();
50       for (int i = 0; i < 6; i++) {
51        if (content.substring(1) == student[i][0])
52         {
53          msg_Attendance = "Attendance Recorded for Student: " +   student[i][1] ;
54        }
55      }
56      Serial.println(msg_Attendance);
57     }
58  }
59  dht_sensor_getdata();
60  delay(500);
61  ArduinoCloud.update();
62}
63void   onLedChange()  {
64  // Add your code here to act upon Led change
65  Serial.print("led:   " + led);
66  digitalWrite(LED_BUILTIN, led);
67}
68
69void dht_sensor_getdata()
70{
71   float hm = dht.readHumidity();
72  Serial.print(F("Humidity "));
73  Serial.println(hm);
74   float temp = dht.readTemperature();
75  Serial.print(F("Temperature "));
76   Serial.println(temp);
77  humidity = hm;
78  temperature = temp;
79  if (temp   > 27) {
80    msgTempHum = "Temperature = " + String (temperature) + "  Humidity   = " + String(humidity) + " -> High ";
81  }
82  else if (temp < 20) {
83    msgTempHum   = "Temperature = " + String (temperature) + "  Humidity = " + String(humidity)   + " -> Low ";
84  }
85  else {
86    msgTempHum = "Temperature = " + String   (temperature) + "  Humidity = " + String(humidity) + " -> All ok ";
87  }
88}
89
90void   onMsgChange()  {
91}
92void onMsgTempHumChange()  {
93}
94void onMsgAttendanceChange()   {
95}

1:Author: anaferraz
2:Date: 28/12/2021
3:Revision: version#1
4:License:   Public Domain
5
6= Project: {IoT Project for EEM602 }
7
8Describe your project
9Automatic   Attendance and Classroom Monitoring (temperature and humidity)
10
11== Step 1:   Installation
12Please describe the steps to install this project.
13Using a MKR   1400 GSM, DHT11 and RFID-RC522
14
15== Step 2: Assemble the circuit
16
17Assemble   the circuit following the diagram:
18Port Number - Connected
192   - DHT11
208    - MOSI (RFID)
219   - SCK   (RFID)
2210  - MISO  (RFID)
2311  - SDA   (RFID)
2412   - RESET (RFID)
25
26== Step 3: Load the code
27
28Upload the code contained   in this sketch on to your board
29
30=== Folder structure
31
32....
33 SIM_dec18a                  => Arduino sketch folder
34  ├── SIM_dec18a.ino        => main   Arduino file
35  ├── thingProperties.h     => Arduino IoT Cloud properties
36   ├── Secret                => Arduino IoT Cloud properties
37  └── ReadMe.adoc            => this file
38....
39
40=== License
41This project is released under   no license.
42
43=== BOM
44Add the bill of the materials you need for this project.
45
46|===
47|   ID | Part name            
48| R1 | 10k Resistor               
49| S1 | DHT11                        
50| A1 | Arduino MKR 1400 GSM         
51|===
52
53
54===   Help
55This document is written in the _AsciiDoc_ format, a markup language to   describe documents.
56
57== Secret
58
59APN prepay.pelion
60PIN 0000
61USERNAME   arduino
62PASSWORD arduino

1// Code generated by Arduino IoT Cloud, DO NOT EDIT.
2
3#include <ArduinoIoTCloud.h>
4#include
5  <Arduino_ConnectionHandler.h>
6
7
8const char THING_ID[]      = "5f584b39-23dd-4bae-9947-a6ae872db8ff";
9
10const
11  char GPRS_APN[]      = SECRET_APN;
12const char PINNUMBER[]     = SECRET_PIN;
13const
14  char GPRS_LOGIN[]    = SECRET_USERNAME;
15const char GPRS_PASSWORD[] = SECRET_PASSWORD;
16
17void
18  onMsgAttendanceChange();
19void onMsgTempHumChange();
20void onLedChange();
21
22String
23  msg_Attendance;
24String msgTempHum;
25float humidity;
26float temperature;
27bool
28  led;
29
30void initProperties(){
31
32  ArduinoCloud.setThingId(THING_ID);
33
34  ArduinoCloud.addProperty(msg_Attendance, READWRITE, ON_CHANGE, onMsgAttendanceChange);
35
36  ArduinoCloud.addProperty(msgTempHum, READWRITE, ON_CHANGE, onMsgTempHumChange,
37  5);
38  ArduinoCloud.addProperty(humidity, READ, ON_CHANGE, NULL);
39  ArduinoCloud.addProperty(temperature,
40  READ, ON_CHANGE, NULL);
41  ArduinoCloud.addProperty(led, READWRITE, ON_CHANGE,
42  onLedChange);
43
44}
45
46GSMConnectionHandler ArduinoIoTPreferredConnection(PINNUMBER,
47  GPRS_APN, GPRS_LOGIN, GPRS_PASSWORD);

1#include <SPI.h>
2#include <MFRC522.h>
3#include "thingProperties.h"
4#include
5  "DHT.h"
6#define DHTpin 2
7#define DHTTYPE DHT11
8#define SS_PIN 11
9#define
10  RST_PIN 12
11MFRC522 mfrc522(SS_PIN, RST_PIN);
12
13String student[6][2] = {
14
15  {"90 17 34 37", "Ana" },
16  {"D3 AA D0 45", "Paula" },
17  {"52 98
18  81 39", "Renato" },
19  {"71 E4 AE 20", "Luis" },
20  {"E3 72 52 1A",
21  "Angela" },
22  {"91 39 45 20", "Maria" }
23};
24DHT dht(DHTpin, DHTTYPE);
25
26void
27  setup() {
28  // Initialize serial and wait for port to open:
29  Serial.begin(9600);
30
31  delay(1500);
32  
33  // Defined in thingProperties.h
34  initProperties();
35
36  // Connect to Arduino IoT Cloud
37  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
38
39  setDebugMessageLevel(2);
40  ArduinoCloud.printDebugInfo();
41  delay(4);
42
43  dht.begin();
44}
45
46void loop() {
47  SPI.begin();
48  mfrc522.PCD_Init();
49
50  if ( mfrc522.PICC_IsNewCardPresent()) {
51    if (mfrc522.PICC_ReadCardSerial())
52  {
53      String content = "";
54      byte letter;
55      for (byte i = 0;
56  i < mfrc522.uid.size; i++)
57      {
58        content.concat(String(mfrc522.uid.uidByte[i]
59  < 0x10 ? " 0" : " "));
60        content.concat(String(mfrc522.uid.uidByte[i],
61  HEX));
62      }
63      //Serial.println(content.substring(1));
64      content.toUpperCase();
65
66      for (int i = 0; i < 6; i++) {
67        if (content.substring(1) == student[i][0])
68
69        {
70          msg_Attendance = "Attendance Recorded for Student: " +
71  student[i][1] ;
72        }
73      }
74      Serial.println(msg_Attendance);
75
76    }
77  }
78  dht_sensor_getdata();
79  delay(500);
80  ArduinoCloud.update();
81}
82void
83  onLedChange()  {
84  // Add your code here to act upon Led change
85  Serial.print("led:
86  " + led);
87  digitalWrite(LED_BUILTIN, led);
88}
89
90void dht_sensor_getdata()
91{
92
93  float hm = dht.readHumidity();
94  Serial.print(F("Humidity "));
95  Serial.println(hm);
96
97  float temp = dht.readTemperature();
98  Serial.print(F("Temperature "));
99
100  Serial.println(temp);
101  humidity = hm;
102  temperature = temp;
103  if (temp
104  > 27) {
105    msgTempHum = "Temperature = " + String (temperature) + "  Humidity
106  = " + String(humidity) + " -> High ";
107  }
108  else if (temp < 20) {
109    msgTempHum
110  = "Temperature = " + String (temperature) + "  Humidity = " + String(humidity)
111  + " -> Low ";
112  }
113  else {
114    msgTempHum = "Temperature = " + String
115  (temperature) + "  Humidity = " + String(humidity) + " -> All ok ";
116  }
117}
118
119void
120  onMsgChange()  {
121}
122void onMsgTempHumChange()  {
123}
124void onMsgAttendanceChange()
125  {
126}

1:Author: anaferraz
2:Date: 28/12/2021
3:Revision: version#1
4:License:
5  Public Domain
6
7= Project: {IoT Project for EEM602 }
8
9Describe your project
10Automatic
11  Attendance and Classroom Monitoring (temperature and humidity)
12
13== Step 1:
14  Installation
15Please describe the steps to install this project.
16Using a MKR
17  1400 GSM, DHT11 and RFID-RC522
18
19== Step 2: Assemble the circuit
20
21Assemble
22  the circuit following the diagram:
23Port Number - Connected
242   - DHT11
258
26   - MOSI (RFID)
279   - SCK   (RFID)
2810  - MISO  (RFID)
2911  - SDA   (RFID)
3012
31  - RESET (RFID)
32
33== Step 3: Load the code
34
35Upload the code contained
36  in this sketch on to your board
37
38=== Folder structure
39
40....
41 SIM_dec18a
42                 => Arduino sketch folder
43  ├── SIM_dec18a.ino        => main
44  Arduino file
45  ├── thingProperties.h     => Arduino IoT Cloud properties
46
47  ├── Secret                => Arduino IoT Cloud properties
48  └── ReadMe.adoc
49           => this file
50....
51
52=== License
53This project is released under
54  no license.
55
56=== BOM
57Add the bill of the materials you need for this project.
58
59|===
60|
61  ID | Part name            
62| R1 | 10k Resistor               
63| S1 | DHT11
64                       
65| A1 | Arduino MKR 1400 GSM         
66|===
67
68
69===
70  Help
71This document is written in the _AsciiDoc_ format, a markup language to
72  describe documents.
73
74== Secret
75
76APN prepay.pelion
77PIN 0000
78USERNAME
79  arduino
80PASSWORD arduino