一个用c#编写的图书馆管理系统，主要分新书管理、读者管理、借书管理及个大模块，另外还有细分的小模块-C# 1, prepared by the library management system, management of major new book, the reader management, library management and a big module, as well as a breakdown of the small module

基于89C52单片机的键盘控制步进电机,可以实现步进电机正转反转，加速。需要自配变压器及细分驱动器。-Based on the 89C52 microcontroller keyboard to control the stepper motor, stepper motors reverse, speed up. Need to be self-made transformer and subdivision driver.