说明：  LJ-MC500B 是集MCS-51单片机开发板、AVR单片机开发板、CPLD开发板、单片机烧录器以及单片机与CPLD复杂实验于一体的一款功能强大的综合开发实验平台。板上资源 丰富，从简单到复杂，包含了单片机的最小系统以及复杂的单片机系统设计，即使是对单片机或CPLD一点也不了解，都可以帮助你快速掌握单片机技术与CPLD设计技术，同时也是广大电子工程师相当好的实验设备。
(LJ-MC500B is a MCS-51 single-chip development board, AVR Singlechip development board, CPLD development board, single-chip burner, as well as the complexity of MCU and CPLD experiment in one of a powerful integrated development experiment platform. Board is rich in resources, from simple to complex, contains the smallest single-chip systems, and complex single-chip system design, even for single-chip or CPLD is not understand, can help you quickly master the single-chip technology and CPLD design technology, but also the vast numbers of electronics engineers very good laboratory equipment.)