const int photoResistorPin = A0; // Analog input pin for the photoresistor
const int buzzerPin = 9; // Digital output pin for the buzzer
void setup() {
pinMode(photoResistorPin, INPUT);
pinMode(buzzerPin, OUTPUT);
}
void loop() {
int lightLevel = analogRead(photoResistorPin); // Read the photoresistor value
int frequency = map(lightLevel, 0, 1023, 2000, 200); // Map the light level to a frequency range. Darker = higher pitch
tone(buzzerPin, frequency); // Output the tone on the buzzer pin
delay(10); // Short delay before the next reading
}