用于远程控制系统下位机的设置程序，对初学者了解数据传输有很大帮助-Remote control system for machine-bit setup program, for beginners to understand data transmission are very helpful

at89s82单片机点阵显示，595扩展，共5*7点阵6PCS -at89s82 single-chip dot matrix display, 595 expansion, a total of 5* 7 dot matrix 6PCS

ATMEL单片机的规格书，AT89S8253.pdf，需要的朋友可以下载-ATMEL microcontroller specifications, AT89S8253.pdf, need to see a friend can be downloaded