// 22.11.4562 - Muhammad Guido Augusta

void setup() {
  // put your setup code here, to run once:
  pinMode(3, OUTPUT);
  pinMode(A0, INPUT);
  Serial.begin(9600);
}
void loop() {
  // put your main code here, to run repeatedly:
  int value = analogRead(A0);
  int pwm = map(value,0,1023,0,255);
  analogWrite(3, pwm);
}