int rPin = 11;
int gPin = 10;
int bPin = 9;

int tstPin = 3;

void setup() {
  // put your setup code here, to run once:
  pinMode(rPin, OUTPUT); // R
  pinMode(gPin, OUTPUT); // G
  pinMode(bPin, OUTPUT);  // B
  pinMode(5, OUTPUT); // transistor 
  pinMode(4, OUTPUT); // transistor 
  
  pinMode(tstPin, OUTPUT);  // test
}

void loop() {
  // put your main code here, to run repeatedly:
  if(rand()%2){
    digitalWrite(tstPin,HIGH);
  }
  else{
    digitalWrite(tstPin,LOW);
  }
  digitalWrite(rPin,0.6*15);
  digitalWrite(gPin,0.3*15*0);
  digitalWrite(bPin,0.1*15*0);
  if(rand()%2){
    digitalWrite(4,HIGH);
  }
  else{
    digitalWrite(4,LOW);
  }
  if(rand()%2){
    digitalWrite(5,HIGH);
  }
  else{
    digitalWrite(5,LOW);
  }
//  digitalWrite(5,LOW);
  delay(1000);
}