// Define the analog pin where the LDR is connected
const int ldrPin = A0;
// Define the pin where the LED is connected
int red = 13; // Assuming the LED is connected to pin 13
int yellow = 12;
int srlPin = 9;

void setup() {
  // Initialize serial communication
  Serial.begin(9600);
  // Set the LED pin as an output
  pinMode(srlPin, OUTPUT);
}

void loop() {
  // Read the voltage value from the LDR
  int ldrValue = analogRead(ldrPin);
  
  // Print the raw analog value to the serial monitor
int brightness = map(ldrValue, 0, 1023, 0, 255);
  
  // Set the LED brightness using PWM
  analogWrite(srlPin, brightness);

  Serial.print("LDR Value: ");
  Serial.println(ldrValue);

  // Turn on the LED if the LDR value is below a certain threshold
  /*if (ldrValue < 500) { // Adjust this threshold based on your LDR and lighting conditions
    digitalWrite(ledPin, HIGH); // Turn on the LED
    digitalWrite(yellow, HIGH);
    digitalWrite(green, HIGH);
  } else {
    digitalWrite(ledPin, LOW); // Turn off the LED
    digitalWrite(yellow, LOW);
    digitalWrite(green, LOW);
  }
*/
  // Optional delay to slow down the serial output (for readability)
  delay(500);
}