#define RED_PIN   25
#define GREEN_PIN 26
#define BLUE_PIN  27

#define BTN_RED   14
#define BTN_GREEN 12
#define BTN_BLUE  13

#define PWM_FREQ 5000
#define PWM_RES 8   // 0-255

void setup() {

  // Butonlar
  pinMode(BTN_RED, INPUT_PULLUP);
  pinMode(BTN_GREEN, INPUT_PULLUP);
  pinMode(BTN_BLUE, INPUT_PULLUP);

 
  ledcAttach(RED_PIN, PWM_FREQ, PWM_RES);
  ledcAttach(GREEN_PIN, PWM_FREQ, PWM_RES);
  ledcAttach(BLUE_PIN, PWM_FREQ, PWM_RES);

}

void setColor(int r, int g, int b) {
  ledcWrite(RED_PIN, r);
  ledcWrite(GREEN_PIN, g);
  ledcWrite(BLUE_PIN, b);
}

void loop() {

  if (!digitalRead(BTN_RED)) {
    setColor(255, 0, 0);
  }

  else if (!digitalRead(BTN_GREEN)) {
    setColor(0, 255, 0);
  }

  else if (!digitalRead(BTN_BLUE)) {
    setColor(0, 0, 255);
  }

}