说明：  一个实用的红外遥控电子密码锁程序,本系统是用单片机AT89C51作为核心元件，利用红外线原理和串行发射，接收等功能而设计的一套本机开锁和电子无线开锁的程序
(a practical infrared remote control electronic password lock procedures, The system is used AT89C51 as a core element, using infrared and serial principle launch, reception function and design of the machine unlock a set of electronic and wireless unlock procedures)