int wait = 1000;

#define rpin 11
#define gpin 10
#define bpin 9

void setup() {
  Serial.begin(9600);
  pinMode(12, OUTPUT);
}

void loop() {
  for (int value = 0; value < 256; value++) {
    analogWrite(rpin, value);
    delay(15);
  }

  for (int value = 255; value >= 0; value--) {
    analogWrite(rpin, value);
    delay(15);
  }

  for (int value = 0; value < 256; value++) {
    analogWrite(gpin, value);
    delay(15);
  }

  for (int value = 255; value >= 0; value--) {
    analogWrite(gpin, value);
    delay(15);
  }

  for (int value = 0; value < 256; value++) {
    analogWrite(bpin, value);
    delay(15);
  }

  for (int value = 255; value >= 0; value--) {
    analogWrite(bpin, value);
    delay(15);
  }





}
































//analogWrite(rpin, 255);
  // delay(wait);
  // analogWrite(rpin, 0);
  // analogWrite(gpin, 255);
  // delay(wait);
  // analogWrite(gpin, 0);
  // analogWrite(bpin, 255);
  // delay(wait);
  // analogWrite(bpin, 0);