int ldr_sensor = 35; // LDR sensor pin
int led = 2; // LED pin

void setup() {
  Serial.begin(9600); // Initialize serial communication
  analogSetAttenuation(ADC_11db); // Set ADC attenuation for LDR sensor
  pinMode(led, OUTPUT); // Set LED pin as output
}

void loop() {
  int ldrvalue = analogRead(ldr_sensor); // Read LDR sensor value

  Serial.print("Ldr Value = "); // Print the LDR value
  Serial.println(ldrvalue);

  if (ldrvalue < 40) { // If the LDR value is less than 40 (very bright)
    Serial.println(" => Very Bright");
    digitalWrite(led, LOW); // Turn the LED off
  } else if (ldrvalue < 800) { // If the LDR value is less than 800 (bright)
    Serial.println(" => Bright");
    digitalWrite(led, LOW); // Turn the LED off
  } else if (ldrvalue < 2000) { // If the LDR value is less than 2000 (light)
    Serial.println(" => Light");
    digitalWrite(led, LOW); // Turn the LED off
  } else if (ldrvalue < 3200) { // If the LDR value is less than 3200 (dim)
    Serial.println(" => Dim");
    digitalWrite(led, HIGH); // Turn the LED on
  } else { // If the LDR value is greater than or equal to 3200 (dark)
    Serial.println(" => Dark");
    digitalWrite(led, HIGH); // Turn the LED on
  }
}