int soil = 32;
int led = 15;
int threshold = 700;
void setup(){
  pinMode(soil, INPUT);
  pinMode(led, OUTPUT);
  Serial.begin(9600);
}
 void loop(){
  int s = analogRead(soil);
  Serial.println(s);
  if(s>threshold){
    Serial.println("Moisture is normal");
    digitalWrite(led,0);
    delay(500);
  }
  else{
    Serial.println("Moisture is low");
    digitalWrite(led,1);
    delay(500);
  }
 }