/*
 * This ESP32 code is created by esp32io.com
 * 
 * This ESP32 code is released in the public domain
 *
 * For more detail (instruction and wiring diagram), visit https://esp32io.com/tutorials/esp32-rgb-led
 */

#define PIN_RED    27 
#define PIN_GREEN  25
#define PIN_BLUE   26

void setup() {
  Serial.begin(9600);
  pinMode(PIN_RED,   OUTPUT);
  pinMode(PIN_GREEN, OUTPUT);
  pinMode(PIN_BLUE,  OUTPUT);
}

void loop() {
  Serial.println("RED");
  analogWrite(PIN_RED,   0);
  analogWrite(PIN_GREEN, 255);
  analogWrite(PIN_BLUE,  255);
  
  delay(2000); // keep the color 1 second
  Serial.println("GREEN");
  analogWrite(PIN_RED,   255);
  analogWrite(PIN_GREEN, 0);
  analogWrite(PIN_BLUE,  255);

  delay(2000); // keep the color 1 second
  Serial.println("BLUE");
  analogWrite(PIN_RED,   255);
  analogWrite(PIN_GREEN, 255);
  analogWrite(PIN_BLUE,  0);

  delay(2000); // keep the color 1 second
}