Download this file
#include "TwoColorLED.h"

#define COLOR 0
#define ONOFF 1
#define YELLOW 2
#define ACTIVE 3

TwoColorLED::TwoColorLED(uint8_t pin1, uint8_t pin2) {
  red_pin = pin1;
  green_pin = pin2;
  state = 0;
  pinMode(red_pin, OUTPUT);
  pinMode(green_pin, OUTPUT);
  digitalWrite(red_pin, LOW);
  digitalWrite(green_pin, LOW);
}

void TwoColorLED::red() {
  state |= 1<