Project-code-pump-with-relay

int WATERPUMP = 12; //motor pump connected to pin 13
int sensor = 8; //sensor digital pin vonnected to pin 8
int val; //This variable stores the value received from Soil moisture sensor.

void setup() {

  pinMode(WATERPUMP,OUTPUT); //Set pin 13 as OUTPUT pin
  pinMode(sensor,INPUT); //Set pin 8 as input pin, to receive data from Soil moisture sensor.
  //Initialize serial and wait for port to open:
  //Serial.begin(9600); // opens serial port, sets data rate to 9600 bps
  //while (! Serial);// wait for serial port to connect. Needed for native USB
  //Serial.println("Speed 0 to 255");
}

void loop()
  {
  /*if (Serial.available()) //loop to operate motor
  {
    int speed = Serial.parseInt(); // to read the number entered as text in the Serial Monitor
    if (speed >= 0 && speed <= 255)
    {
      analogWrite(WATERPUMP, speed);// tuns on the motor at specified speed
    }
  }*/
  val = digitalRead(sensor);  //Read data from soil moisture sensor
  if(val == LOW)
  {
  digitalWrite(WATERPUMP,LOW); //if soil moisture sensor provides LOW value send LOW value to motor pump and motor pump goes off
  }
  else
  {
  digitalWrite(WATERPUMP,HIGH); //if soil moisture sensor provides HIGH value send HIGH value to motor pump and motor pump get on
    }
    delay(500);//Wait for few second and then continue the loop.
}