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);
}