byte led = 6; //pin s LED diodou
byte pot = A0; //pin s pripojenym potenciometrem
int val; //promenna pripravena k uchovani hodnot

void setup() {
	//sem nic nepiseme
}

void loop() {
	val = analogRead(pot)/4; //cteni hodnoty na A0 a uprava rozsahu
	analogWrite(led, val); 	 //generovani PWM
}