本软件是用delphi编写的小区或停车场收费系统，是一个完整的案例，系统中涉及IC卡发卡机串口操作和数据库编程,对于串口编程的朋友们大有帮助,实际案例学习比看书快多了。(用户名as无密码)。-the software is prepared by the district delphi or parking fees system is a complete case, the system involved in IC cards for serial operation and databa

基于AT89C51的宾馆IC卡门锁发卡系统 包括上位机和下位机 下位机采用VB下位机为汇编语言编程-on AT89C51 Hotels IC card lock system includes PC and the next crew under-used machines V under B crew of assembly language programming