// ********************
// Potentiometer - ADC for teaching purposes at the HTL Anichstraße,
// Department of Biomedicine and Health Technology.

// ********************
// definte input port for voltage measurement (potentiometer)
int analogPin = 26;

// Help variables for programming to store and print the 
// analog values resp. voltage values
int analogValue = 0;

//setup (runs once) to initialize the ports
void setup() {
  Serial.begin(115200);
  Serial.println("Test ADC");
}

void loop() {
  delay(10); // this speeds up the simulation for Wokwi only
  // ESP32: ADW 3.3V input range, 10-Bit resolution
  analogValue = analogRead(analogPin);
  //output to serial console
  Serial.println(analogValue);
  //wait 500ms until reading an new value
  delay(500);
}