// Define LDR pin connected to analog pin A0
const int ldrPin = A0;   // LDR output connected to A0
int ldrValue = 0;        // Variable to store the light intensity reading

void setup() {
  Serial.begin(9600);    // Start serial communication at 9600 baud
  pinMode(ldrPin, INPUT);
}

void loop() {
  ldrValue = analogRead(ldrPin);   // Read the analog value from LDR
  Serial.print("LDR Value: ");
  Serial.println(ldrValue);        // Print the value to Serial Monitor

  delay(1000); // Delay of 1 second between readings
}