// Potentiometer is connected to GPIO 34 (Analog ADC1_CH6) 
const int potentiometerPin = 34;

// variable for storing the potentiometer value
int potentiometerValue = 0;
float potentiometer_Vout = 3.3;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(potentiometerPin, INPUT);
  Serial.println("Hello, Indah Putri Agustina!");
}

void loop() {
  potentiometerValue = analogRead(potentiometerPin);   // Reading potentiometer value
  float MCU_Vin = (potentiometer_Vout * potentiometerValue)/4096; // MCU ADC Resolution 12 bit
  Serial.print(potentiometerValue);
  Serial.print(":");
  Serial.println(MCU_Vin);
  delay(300);
}