void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  analogReadResolution(12);
  
}

void loop() {
  // put your main code here, to run repeatedly:
  uint16_t vol = analogRead(4);
  Serial.printf("Volume: %d\n",vol);
  Serial.printf("voltage: %d\n",analogReadMilliVolts(4));
  delay(50); // this speeds up the simulation
}