红外发射功能模块，红外线接收转换模块、单片机模块、蜂鸣器报警功能模块、LED数码管显示模块、按键功能模块，开锁功能模块等-Infrared emission function modules, infrared receiver conversion module, microcontroller module, buzzer alarm function modules, LED digital display module, the key functional modules, unloc