int sensorPin = A0;
int sensorValues = 0;
const int POMPA=3;
void setup() {
Serial.begin( 9600 );
pinMode(sensorPin, INPUT);
pinMode(POMPA, OUTPUT);
}
void loop() {
Serial.print("Valore: ");
Serial.println (analogRead(A0));
delay(500);
if (analogRead(A0)>100) {
digitalWrite (POMPA, LOW);
if (analogRead(A0)<700)
digitalWrite(POMPA, HIGH);
}
}