int pot=A0;
float pot_value;
float voltage;
void setup() {
  // put your setup code here, to run once:
  pinMode(pot, INPUT);
  Serial.begin(9600);
}

void loop() {
  // put your main code here, to run repeatedly:
  pot_value=analogRead(pot);
  voltage=(pot_value*5)/1023;
  Serial.print("Pot Value:");
  Serial.println(pot_value);
  delay(1000);
  Serial.print("Volatge:");
  Serial.print(voltage);
  Serial.println(" V");
  delay(1000);
}