Code: Change Tone according to light

/*
 circuit:
 * 8-ohm speaker on digital pin 8
 * photoresistor on analog 0 to 5V
 * 4.7K resistor on analog 0 to ground

 created 21 Jan 2010 by Tom Igoe 
This example code is in the public domain. http://arduino.cc/en/Tutorial/Tone2

 */


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

void loop() {
  int sensorReading = analogRead(0);
  Serial.println(sensorReading);
  int thisPitch = map(sensorReading, 400, 1000, 100, 1000);

  tone(8, thisPitch, 10);

}