const int ldrPin = 2;    // Pin connected to the LDR and resistor
const int redPin = 10;    // Red pin of the RGB LED
const int greenPin = 9; // Green pin of the RGB LED

void setup() {
  Serial.begin(9600);          // Start the Serial communication
  pinMode(ldrPin, INPUT);      // Initialize the LDR pin as an input
  pinMode(redPin, OUTPUT);     // Initialize the red LED pin as an output
  pinMode(greenPin, OUTPUT);   // Initialize the green LED pin as an output
}

void loop() {
  int ldrStatus = digitalRead(ldrPin); // Read the digital value from the LDR
  Serial.println(ldrStatus);           // Print the status to the Serial Monitor

  if (ldrStatus == HIGH) {
    // When the LDR senses light (status HIGH), turn the green LED on and red LED off
    digitalWrite(greenPin, HIGH);
    digitalWrite(redPin, LOW);
  } else {
    // When the LDR is in the dark (status LOW), turn the red LED on and green LED off
    digitalWrite(redPin, HIGH);
    digitalWrite(greenPin, LOW);
  }

  delay(500); // Wait for half a second
}