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int kPinRed = 9;
int kPinGreen = 10;
int kPinBlue = 11;
void setup() {
pinMode(kPinRed, OUTPUT);
pinMode(kPinGreen, OUTPUT);
pinMode(kPinBlue, OUTPUT);
}
void loop() {
//analogWrite(kPinBlue, 100);
//delay(1000);
for (int i=0; i<768; i+=4) {
showColor(i);
delay(3);
}
}
void showColor(int color) {
int r, g, b;
if (color < 256) {
r = 255-color;
g = color;
b = 0;
} else if (color < 512) {
r = 0;
g = 255-(color-256);
b = color-256;
} else {
r = color-512;
g = 0;
b = 255-(color-512);
}
analogWrite(kPinRed, r);
analogWrite(kPinGreen, g);
analogWrite(kPinBlue, b);
}
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