#define R 26
#define G 25
#define B 33
void setup() {
  Serial.begin(115200);
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
}

void loop() {
  int i;
  LED_Display(255,0,0);
  delay(1000);
  LED_Display(0,255,0);
  delay(1000);
  LED_Display(0,0,255);
  delay(1000);
  for (i=0;i<255;i++){
    LED_Display(i,255-i,0);
    delay(10);
  }
}

void LED_Display(byte rv,byte gv,byte bv){
  analogWrite(R,rv);
  analogWrite(G,gv);
  analogWrite(B,bv);
}