#define rgb_colorR 5
#define rgb_colorG 18
#define rgb_colorB 19

#define r_channel 0
#define g_channel 1
#define b_channel 2

#define pwm_frequency 5000
#define pwm_resolution 8


void setup() {
  // put your setup code here, to run once:
  ledcAttachPin(rgb_colorR,r_channel);
  ledcAttachPin(rgb_colorG,g_channel);
  ledcAttachPin(rgb_colorB,b_channel);

  ledcSetup(r_channel,pwm_frequency,pwm_resolution);
  ledcSetup(g_channel,pwm_frequency,pwm_resolution);
  ledcSetup(b_channel,pwm_frequency,pwm_resolution);

  
}

void loop() {
  // put your main code here, to run repeatedly:
  rgb_color(255,0,0);
  delay(500);
  rgb_color(0,255,0);
  delay(500);
  rgb_color(0,0,255);
  delay(500);
  rgb_color(255,255,0);
  delay(500);
  rgb_color(255,0,255);
  delay(500);
  rgb_color(0,255,255);
  delay(500);

}
void rgb_color(int r,int g,int b){
  ledcWrite(r_channel,r);
  ledcWrite(g_channel,g);
  ledcWrite(b_channel,b);

}