const int LDR_PIN = A0; 
const int POT_PIN = A1;      
const int LED_PIN = 9;      
void setup() {
  pinMode(LDR_PIN, INPUT);   
  pinMode(POT_PIN, INPUT);   
  pinMode(LED_PIN, OUTPUT);  
  Serial.begin(9600);       
}
void loop() {
  int lightLevel = analogRead(LDR_PIN);
  int potValue = analogRead(POT_PIN);  
  int brightness = map(potValue, 0, 1023, 0, 255);
  brightness = brightness * (lightLevel / 1023.0);
  brightness = constrain(brightness, 0, 255);
  analogWrite(LED_PIN, brightness);   
  Serial.print("Brightness: ");
  Serial.println(brightness);
  Serial.print("Light Level: ");
  Serial.println(lightLevel);

  delay(1000); 
}