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int LEDRpin = 3;
int LEDGpin = 5;
int LEDBpin = 6;
void turn(int r, int g, int b) {
analogWrite(LEDRpin, r);
analogWrite(LEDGpin, g);
analogWrite(LEDBpin, b);
void setup() {
pinMode(LEDRpin, OUTPUT);
pinMode(LEDGpin, OUTPUT);
pinMode(LEDBpin, OUTPUT);
turn(0, 0, 0);
void loop() {
turn(random(256), random(256), random(256));
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