橋本商会

使った

RGB Shield Kit – Digistump 295円


pin 0,1,2にR,G,Bが接続される。
ADコンバータはpin4なので干渉しない。



led_fullcolor.ino

#define PIN_RED 0

#define PIN_GREEN 1

#define PIN_BLUE 2

unsigned char led_r, led_g, led_b;

unsigned char count = 0;



void setup(){

  pinMode(PIN_RED, true);

  pinMode(PIN_GREEN, true);

  pinMode(PIN_BLUE, true);

  led_r = led_g = led_b = 0;

}



void loop(){

  led_r += 10;

  analogWrite(PIN_RED, led_r);

  if(count % 2 == 0){

    led_g += 10;

    analogWrite(PIN_GREEN, led_g);

  }

  if(count % 3 == 0){

    led_b += 10;

    analogWrite(PIN_BLUE, led_b);

  }

  count += 1;



  if(led_r >= 255) led_r = 0;

  if(led_g >= 255) led_g = 0;

  if(led_b >= 255) led_b = 0;

  if(count >= 255) count = 0;

  delay(50);

}