int pm = A0;
int nilai;
int konversi;
int led = 13;
void setup() {
  Serial.begin(9600);
  pinMode (led, OUTPUT);

}

void loop() {
  nilai = analogRead(pm);
  konversi = map (nilai, 0 ,1023 ,0 , 100);
  analogWrite(led, nilai);
  Serial.println(konversi);

}