Arduino IoT temperature sensing

1#include "thingProperties.h"
2#include "DHT.h"
3
4#define DHTTYPE DHT11   // DHT 11
5#define DHTPIN 3     // Digital pin connected to the DHT sensor
6
7DHT dht(DHTPIN, DHTTYPE);
8
9void setup() {
10  // Initialize serial and wait for port to open:
11  Serial.begin(9600);
12  // This delay gives the chance to wait for a Serial Monitor without blocking if none is found
13  delay(1500); 
14
15  // Defined in thingProperties.h
16  initProperties();
17
18  // Connect to Arduino IoT Cloud
19  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
20  
21  /*
22     The following function allows you to obtain more information
23     related to the state of network and IoT Cloud connection and errors
24     the higher number the more granular information you’ll get.
25     The default is 0 (only errors).
26     Maximum is 4
27 */
28  setDebugMessageLevel(2);
29  ArduinoCloud.printDebugInfo();
30
31  dht.begin();           // initialize the DHT sensor
32}
33
34void loop() {
35  ArduinoCloud.update();
36   
37  // Wait a few seconds between measurements.
38  delay(2000);
39
40  // Reading temperature or humidity takes about 250 milliseconds!       
41  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
42
43  //Read humidity
44  float h = dht.readHumidity();
45
46  // Read temperature as Celsius (the default)       
47  float t = dht.readTemperature();
48
49  // Read temperature as Fahrenheit (isFahrenheit = true)       
50  float f = dht.readTemperature(true);
51
52  inHumid = h;
53
54  /*!!!!!!!! Uncomment Fahrenheit or Celsius depending on what you need !!!!!!!!!!*/          
55  indoorTemp = t;       
56  //indoorTemp = f;
57
58  // Check if any reads failed and exit early (to try again).       
59  if (isnan(h) || isnan(t) || isnan(f)) {       
60    Serial.println(F("Failed to read from DHT sensor!"));       
61    return;       
62  }
63
64  // Compute heat index in Fahrenheit (the default)       
65  float hif = dht.computeHeatIndex(f, h);       
66  
67  // Compute heat index in Celsius (isFahreheit = false)       
68  float hic = dht.computeHeatIndex(t, h, false); 	  	        
69  
70  //Print Values in the Serial Monitor
71  Serial.print("indoor: ");       
72  Serial.print(indoorTemp);
73  Serial.print(" C ");
74
75  Serial.print(" | ");
76
77  Serial.print("Humidity: ");
78  Serial.print(inHumid);  
79  Serial.println(" % ");
80}

1#include "thingProperties.h"
2#include <OneWire.h>   
3#include <DallasTemperature.h>
4 
5const int SENSOR_PIN = 13; // Arduino pin connected to DS18B20 sensor's DQ pin
6OneWire oneWire(SENSOR_PIN);         // setup a oneWire instance   
7DallasTemperature tempSensor(&oneWire); // pass oneWire to DallasTemperature library   
8
9float tempCelsius;    // temperature in Celsius   
10float tempFahrenheit; // temperature in Fahrenheit
11
12
13void setup() {
14  // Initialize serial and wait for port to open:
15  Serial.begin(9600);
16  // This delay gives the chance to wait for a Serial Monitor without blocking if none is found
17  delay(1500); 
18
19  // Defined in thingProperties.h
20  initProperties();
21
22  // Connect to Arduino IoT Cloud
23  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
24  
25  /*
26     The following function allows you to obtain more information
27     related to the state of network and IoT Cloud connection and errors
28     the higher number the more granular information you’ll get.
29     The default is 0 (only errors).
30     Maximum is 4
31 */
32  setDebugMessageLevel(2);
33  ArduinoCloud.printDebugInfo();
34
35  tempSensor.begin();    // initialize the Dallas sensor
36}
37
38void loop() {
39  ArduinoCloud.update();
40
41  tempSensor.requestTemperatures();             // send the command to get temperatures
42  tempCelsius = tempSensor.getTempCByIndex(0);  // read temperature in Celsius
43
44  /*!!!!!!!! Uncomment Fahrenheit or Celsius depending on what you need !!!!!!!!!!*/  
45    waterTemp = round(tempCelsius * 10.0) / 10;   
46  //waterTemp = round(tempFahrenheit * 10.0) / 10;
47
48  tempFahrenheit = tempCelsius * 9 / 5 + 32; // convert Celsius to Fahrenheit   
49
50  //Checks if sensor is connected
51  if (waterTemp < 0) {
52    Serial.println(F("Failed to read from DS18B20 TEMPERATURE PROBE!"));   
53  }   
54  
55  Serial.print("Water: ");   
56  Serial.print(waterTemp);   
57  Serial.println(" C ");  
58}

1#include "thingProperties.h"
2#include "DHT.h"
3
4#define DHTTYPE DHT11   // DHT 11
5#define DHTPIN 2     // Digital pin connected to the DHT sensor
6
7DHT dht(DHTPIN, DHTTYPE);
8
9void setup() {
10  // Initialize serial and wait for port to open:
11  Serial.begin(9600);
12  // This delay gives the chance to wait for a Serial Monitor without blocking if none is found
13  delay(1500); 
14
15  // Defined in thingProperties.h
16  initProperties();
17
18  // Connect to Arduino IoT Cloud
19  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
20  
21  /*
22     The following function allows you to obtain more information
23     related to the state of network and IoT Cloud connection and errors
24     the higher number the more granular information you’ll get.
25     The default is 0 (only errors).
26     Maximum is 4
27 */
28  setDebugMessageLevel(2);
29  ArduinoCloud.printDebugInfo();
30
31  dht.begin();           // initialize the DHT sensor
32}
33
34void loop() {
35  ArduinoCloud.update();
36   
37  // Wait a few seconds between measurements.
38  delay(2000);
39
40  // Reading temperature or humidity takes about 250 milliseconds!       
41  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
42
43  //Read humidity
44  float h = dht.readHumidity();
45
46  // Read temperature as Celsius (the default)       
47  float t = dht.readTemperature();
48
49  // Read temperature as Fahrenheit (isFahrenheit = true)       
50  float f = dht.readTemperature(true);
51
52  outHumid = h;
53
54  /*!!!!!!!! Uncomment Fahrenheit or Celsius depending on what you need !!!!!!!!!!*/       
55  outdoorTemp = t;       
56  //outdoorTemp = f;
57
58  // Check if any reads failed and exit early (to try again).       
59  if (isnan(h) || isnan(t) || isnan(f)) {       
60    Serial.println(F("Failed to read from DHT sensor!"));       
61    return;       
62  }
63
64  // Compute heat index in Fahrenheit (the default)       
65  float hif = dht.computeHeatIndex(f, h);       
66  
67  // Compute heat index in Celsius (isFahreheit = false)       
68  float hic = dht.computeHeatIndex(t, h, false); 	  	        
69  
70  //Print Values in the Serial Monitor
71  Serial.print("outdoor: ");       
72  Serial.print(outdoorTemp);
73  Serial.print(" C ");
74
75  Serial.print(" | ");
76
77  Serial.print("Humidity: ");
78  Serial.print(outHumid);  
79  Serial.println(" % ");
80}

1/* 
2  Sketch generated by the Arduino IoT Cloud Thing "Untitled"
3  https://create.arduino.cc/cloud/things/aa9511d4-8f9d-4d10-81ac-50fde63d7bfb 
4
5  Arduino IoT Cloud Variables description
6
7  The following variables are automatically generated and updated when changes are made to the Thing
8
9  float bbqTemp;
10
11  Variables which are marked as READ/WRITE in the Cloud Thing will also have functions
12  which are called when their values are changed from the Dashboard.
13  These functions are generated with the Thing and added at the end of this sketch.
14*/
15
16#include "thingProperties.h"
17#include "max6675.h"
18
19int thermoDO = 4;
20int thermoCS = 5;
21int thermoCLK = 6;
22
23MAX6675 thermocouple(thermoCLK, thermoCS, thermoDO);
24
25void setup() {
26  // Initialize serial and wait for port to open:
27  Serial.begin(9600);
28  // This delay gives the chance to wait for a Serial Monitor without blocking if none is found
29  delay(1500); 
30
31  // Defined in thingProperties.h
32  initProperties();
33
34  // Connect to Arduino IoT Cloud
35  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
36  
37  /*
38     The following function allows you to obtain more information
39     related to the state of network and IoT Cloud connection and errors
40     the higher number the more granular information you’ll get.
41     The default is 0 (only errors).
42     Maximum is 4
43 */
44  setDebugMessageLevel(2);
45  ArduinoCloud.printDebugInfo();
46}
47
48void loop() {
49  ArduinoCloud.update();
50  bbqTemp = thermocouple.readCelsius();
51  
52  Serial.print(bbqTemp);
53  Serial.println(" C");
54}