/*Paste your code here*/
#define LED1 9
int Counter;
void setup() {
pinMode(LED1, OUTPUT);
}
void loop() {
for (Counter=0;Counter<256;Counter++){
delay(8);
analogWrite(LED1,Counter);
}
for (Counter=255;Counter>=0;Counter--){
delay(4);
analogWrite(LED1,Counter);
}
}