MATLAB GUI设计密码登陆框，包括密码登陆系统、用户注册、密码修改和用户管理4个界面。-MATLAB GUI design password box, including the password system, user registration, password changes and user management 4 interface.

VB控制串口232通讯,对飞利浦M1卡内数据进行处理,支持密码修改等-VB 232 serial control, Philips M1 card data processing, support for password changes, etc.