int ldrPin = A0; // LDR connected to analog pin A0
int ldrValue = 0; // Variable to store LDR value
void setup() {
Serial.begin(9600); // Start serial communication
pinMode(ldrPin, INPUT);
}
void loop() {
ldrValue = analogRead(ldrPin); // Read value from LDR
Serial.print("LDR Value: ");
Serial.println(ldrValue); // Print value to Serial Monitor
delay(500); // Wait half a second
}