使用Arduino的红外遥控demo程序，可以控制4个led。-Use Arduino IR remote control demo program, you can control four LED.

Arduino红外遥控，PWM输出控制三色灯变化颜色，外加两个按键，一个开关，一个短按换颜色，长按调节亮度。-Arduino IR remote control, PWM control output three-color light changes color, plus two buttons, a switch, a short press to change the color, long press to adjust brightness.