Smart Irrigation | Soil Moisture Sensor Arduino | Water Pump

1//Welcome
2//Electronics University
3
4int relayPin = 8;
5int   sensor_pin = A0; // Soil Sensor input at Analog PIN A0
6int output_value ;
7void   setup()         // put your setup code here, to run once:
8{ 
9  Serial.begin(9600);                  
10  pinMode(relayPin, OUTPUT);
11  pinMode(sensor_pin, INPUT);
12   Serial.println("Reading From the Sensor ...");
13  delay(2000);
14}
15
16void   loop()
17{
18 output_value= analogRead(sensor_pin);
19 output_value = map(output_value,550,10,0,100);
20   Serial.print("Mositure : ");
21 Serial.print(output_value);
22 Serial.println("%");
23   if(output_value<20){
24  digitalWrite(relayPin, LOW);
25 }
26 else
27 {
28   digitalWrite(relayPin, HIGH);       
29 }
30 delay(1000);
31}
32

1//Welcome
2//Electronics University
3
4int relayPin = 8;
5int  sensor_pin = A0; // Soil Sensor input at Analog PIN A0
6int output_value ;
7void  setup()         // put your setup code here, to run once:
8{ 
9  Serial.begin(9600);                 
10  pinMode(relayPin, OUTPUT);
11  pinMode(sensor_pin, INPUT);
12  Serial.println("Reading From the Sensor ...");
13  delay(2000);
14}
15
16void  loop()
17{
18 output_value= analogRead(sensor_pin);
19 output_value = map(output_value,550,10,0,100);
20  Serial.print("Mositure : ");
21 Serial.print(output_value);
22 Serial.println("%");
23  if(output_value<20){
24  digitalWrite(relayPin, LOW);
25 }
26 else
27 {
28  digitalWrite(relayPin, HIGH);       
29 }
30 delay(1000);
31}
32