#define soilSensor A0
#define pumpRelay 4
int upperThresshold = 80;
int lowerThresshold = 40;

void setup() {
  Serial.begin(115200);
  pinMode(soilSensor, INPUT);
  pinMode(pumpRelay, OUTPUT);

}

void loop() {
  float sensorValue =  analogRead(soilSensor);
  Serial.println(sensorValue);
  int valMap = map(sensorValue, 0, 1023, 0, 100);
  Serial.print("mosture: ");
  Serial.println(valMap);
  if (valMap < lowerThresshold) {
    digitalWrite(pumpRelay, HIGH);
  } else if(valMap > upperThresshold) {
    digitalWrite(pumpRelay, LOW);
  }
  delay(200);
}