AnalogReadSerial.pde

/*
  AnalogReadSerial
  Reads an analog input on pin A0, prints the result to the serial monitor 
 
  This example code is in the public domain.
 */

int pin = A0;

void setup() {
  Serial.begin(9600);
  pinMode(pin, INPUT);           // set pin to input

  // If you are using a resistive sensor with a high resistance (> 5 kOhms)
  // you can automatically add a 20 kOhm pullup resistor in code by uncommenting to following line:
  //digitalWrite(pin, HIGH);       // turn on pullup resistors
}

void loop() {
  int sensorValue = analogRead(pin);
  Serial.println(sensorValue);
}