Led RGB

const int r = 6;
const int g = 5;
const int b = 3;

void setup(){
   
  pinMode(r,OUTPUT);
  pinMode(g,OUTPUT);
  pinMode(b,OUTPUT);
}

void loop (){
    
      analogWrite(r,255);
      analogWrite(g,255);
      analogWrite(b,255);
      delay(1000);
    
      analogWrite(r,255);
      analogWrite(g,0);
      analogWrite(b,0);
      delay(1000);
    
      analogWrite(r,0);
      analogWrite(g,255);
      analogWrite(b,0);
      delay(1000);
    
      analogWrite(r,0);
      analogWrite(g,0);
      analogWrite(b,255);
      delay(1000);
}