const byte kirmizi=9, yesil=10, mavi=11; 
void setup() {
}
void loop() {
for (int a = 0; a <= 255; a++) {
 analogWrite(kirmizi, a);
 for (int b = 0; b <= 255; b++) {
 analogWrite(yesil, b);
 for (int c = 0; c <= 255; c++) {
 analogWrite(mavi, c);
 delay(5);
 }
 }
}
void setup()
digitalWrite();
}