void setup() {
  Serial.begin(115200);
  pinMode(22, OUTPUT);
  analogReadResolution(10);
}

void loop() {
  int raw = analogRead(26);
  float mV = (raw * 3300.0) / 1023.0; // Usa 5000.0 se alimenti a 5V
  if (mV>=1000) { //1000mV
    digitalWrite(22,HIGH);
  } else {
    digitalWrite(22,LOW);
  }

  Serial.println(mV);

  delay(500);
}