用于控制M104型NFC读卡器的上位机程序源代码，WPF界面，具备有读写数据，验证密码，修改扇区内容，修改密码，钱包存取等功能-Used to control the M104 NFC card reader host computer source code, WPF interface, with read and write data, verify the password, modify the sector content, modify the password, wallet a

wpf，winform，上位机编程开发实战宝典，基于C#语言。(WPF programming design)

上位机利用北辰模块和下位机PLC通讯实例(wpf conmication with PLC)