#define R 12
#define G 13
#define B 15

void setup() {
  // put your setup code here, to run once:
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);

}

void loop() {
  analogWrite(R,random(0,1023));
  analogWrite(G,random(0,1023));
  analogWrite(B,random(0,1023));
  delay(1000);
  // put your main code here, to run repeatedly:

}