// Project: Luminous Logic: Light-Triggered Lighting

const int ldrPin = A0;       // LDR connected to analog pin A0
const int ledPin = 9;        // LED connected to digital pin 9
int lightLevel;
int threshold = 500;         // Adjust this value based on your room lighting

void setup() {
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);        // For monitoring light level
}

void loop() {
  lightLevel = analogRead(ldrPin);
  Serial.println(lightLevel); // Optional: check values in Serial Monitor

  if (lightLevel < threshold) {
    digitalWrite(ledPin, HIGH);  // It's dark, turn LED ON
  } else {
    digitalWrite(ledPin, LOW);   // It's bright, turn LED OFF
  }

  delay(100);  // Short delay
}