Arduino FE-RGB

fe-rgb.cpp

#include <Arduino.h>

int redPin = 3;
int greenPin = 5;
int bluePin = 6;

#define COMMON_ANODE

void setup()
{
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
}
void setColor(int red, int green, int blue)
{
  int swap_red = blue;
  int swap_blue = red;

#ifdef COMMON_ANODE
  red = 255 - swap_red;
  green = 255 - green;
  blue = 255 - swap_blue;
#endif
  analogWrite(redPin, red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);
}

void loop()
{
  setColor(255, 0, 0);
}