IoT Moisture Sensor

1#include "thingProperties.h"
2
3int soilMoistureLevel;
4int soilMoisturePercent;
5
6int  airValue = 830;
7int waterValue = 360;
8
9void setup() {
10  // Initialize  serial and wait for port to open:
11  Serial.begin(9600);
12
13  // Defined in  thingProperties.h
14  initProperties();
15
16  // Connect to Arduino IoT Cloud
17  ArduinoCloud.begin(ArduinoIoTPreferredConnection);
18  
19  /*
20     The following  function allows you to obtain more information
21     related to the state of network  and IoT Cloud connection and errors
22     the higher number the more granular  information you’ll get.
23     The default is 0 (only errors).
24     Maximum  is 4
25 */
26  setDebugMessageLevel(2);
27  ArduinoCloud.printDebugInfo();
28}
29
30void  loop() {
31  ArduinoCloud.update(); // Update the Cloud's data
32  
33  //Read  data from Analog Pin 1 on Nano 33 IoT and print to Serial Monitor for debugging
34  soilMoistureLevel = analogRead(1);
35  Serial.println(soilMoistureLevel);
36  
37  //Convert soilMoistureLevel integer into percentage by using air and water  values defined above and mapping with 0 - 100
38  soilMoisturePercent = map(soilMoistureLevel,  airValue, waterValue, 0, 100);
39  Serial.println(soilMoisturePercent); //Print  to Serial Monitor for debugging
40  
41  
42  //Update Arduino IoT Cloud values
43  moistureLevel = soilMoistureLevel;
44  moisturePercent = soilMoisturePercent;
45  
46  //If the moisture percentage is less than 30%
47  if(moisturePercent <  30)
48  {
49    //Send message to Arduino Cloud messenger on dashboard
50    message  = "Water Levels Low. Watering Required!";
51  }
52  
53  //If the moisture  percentage is greater than 50%
54  if(moisturePercent > 50)
55  {
56    //Send  message to Arduino Cloud messenger on dashboard
57    message = "Water Levels  Sufficient.";
58  }
59  
60  
61}
62
63
64//End of Code
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