Automatic watering system for plants using arduino
Circuit Diagram
Code For uno
int digitalSensor = 2;
int pumpPin = 8; //relay pin
void setup() {
pinMode(digitalSensor, INPUT);
pinMode(pumpPin, OUTPUT);
}
void loop() {
if(digitalRead(digitalSensor) == HIGH){
digitalWrite(pumpPin, LOW);
delay(1000);
}
else{
digitalWrite(pumpPin, HIGH);
}
delay(100); // 1hour
}