RGB

int greenpin = 5; // select the GPIO pin for the green LED

int redpin = 4; // select the GPIO pin for the red LED

int bluepin = 0; // select the GPIO pin for the blue LED

void setup () {

pinMode (redpin, OUTPUT);

pinMode (greenpin, OUTPUT);

pinMode (bluepin, OUTPUT);

}

void loop () {

analogWrite (redpin, random(255));

delay (200);

analogWrite (greenpin, random(255));

delay (200);

analogWrite (bluepin, random(255));

delay (200);

}