Soil Moisture Sensor || Arduino Uno || Water Pump

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Program Code :-

 //www.youtube.com/c/TechnicalScientistRM

//Soil Moisture Relay Sensor 

int Relay = 13;    //relay module connected to arduino pin 13

int sensor = 8;     //soil sensor connected to arduino pin 8

int val; 

void setup() {

  pinMode(13,OUTPUT); //Set pin 13 as OUTPUT pin, to send signal to relay

  pinMode(8,INPUT); //Set pin 8 as input pin, to receive data from Soil moisture sensor.

}

void loop() { 

  val = digitalRead(8); 

  if(val == LOW) 

  {

  digitalWrite(13,HIGH); //if soil moisture sensor provides LOW value send LOW value to relay

  }

  else

  {

  digitalWrite(13,LOW); //if soil moisture sensor provides HIGH value send HIGH value to relay

  }

  delay(400);

}