void setup() {
  pinMode(32, OUTPUT);
  Serial.begin(9600);
}
void loop() {
  int sensorValue = analogRead(34);
  int sensorValue2 = map(sensorValue,0,4095,0,100);
  Serial.print("soil moisture = ");
  Serial.println(sensorValue2);
  Serial.print(" %");
  if(sensorValue2<=40)
  {
    digitalWrite(32, HIGH);
  }
  else
  {
    digitalWrite(32, LOW);
  }
  delay(1);
}