void setup()
{
  // start serial port at 9600 bps:
  Serial.begin(9600);
}

void loop() {
  // read analog input, divide by 4 to make the range 0-255:
  int analogValue = analogRead(0)/4; 
  Serial.write(analogValue);
  // pause for 10 milliseconds:
  delay(10);                 
}