int analogPin = A0;
int dt = 500;

void setup(){
  Serial.begin(9600);
  pinMode(analogPin, INPUT);
}

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

  // Conversion of analogValue which is between 0 to 1023 into analog voltagr

float voltage = (analogValue * 5.0) / 1023.0;

Serial.print(" Analog Value = ");
Serial.println(analogValue);
Serial.print("Voltage = ");
Serial.println(voltage);
delay(dt);
}