const int lightSensorPin = A0; 
int sensorValue = 0;

void setup() {
  Serial.begin(9600); 
}

void loop() {
  sensorValue = analogRead(lightSensorPin); 
  Serial.print("Light level: ");
  Serial.println(sensorValue); 

  if (sensorValue < 300) {
    
    Serial.println("Light is ON");
  } else {
    
    Serial.println("Light is OFF");
  }

  delay(1000);
}