void setup() { Serial.begin(9600); //Baud rate: 9600}void loop() { int sensorValue = analogRead(A0);// read the input on analog pin 0: float voltage = sensorValue * (5.0 / 1024.0); // Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V): Serial.println(voltage); // print out the value you read: delay(500);