红外线接收: 使用任何遥控器（电视、空调等），对准开发板的红外线接收管，按下遥控器的任何按钮，LED0 会按照红外线码进行闪烁。 -Infrared receiver: the use of any remote control (TV, air conditioning, etc.), targeting the development board infrared receiver tube, press any button on the remote control, LED0 wi