int Lampu = 6;
void setup()
{
  pinMode(Lampu, OUTPUT);
  Serial.begin(9600);
}
 
void loop()
{
   float i = analogRead(A0);
   //int brightness = map(i,0,1023,0,255);
   int brightness = i/1023*255;
   Serial.print("Analog: ");
   Serial.print(i);
   Serial.print(", Brigthnes: ");
   Serial.println(brightness);
   
   analogWrite(Lampu,brightness);
   delay(1000);
}