int analogPin = A0;  
int analogValue = 0; 

void setup() {
  
  Serial.begin(9600);
}

void loop() {
  
  analogValue = analogRead(analogPin);

  
  Serial.print("Analog Value: ");
  Serial.println(analogValue);

 float voltage = analogValue * (5.0 / 1023.0);
Serial.print("Voltage: ");
Serial.println(voltage);

  delay(500);  
}