74LS244 done with single

USBKeyBoard STM32 USB 使用-USBKeyBoard STM32 USB Use

78EXXPCB11 winbond51单片机源码一堆-78EXXPCB11 winbond51 SCM source heap

内容：1、本程序用于测试4相步进电机常规驱动 2、需要用跳帽或者杜邦线把信号输出端和对应的步进电机信号输入端连接起来 3、速度不可以调节的过快，不然就没有力矩转动了 4、按s4（设置成独立按键模式）可以控制正反转 -Contents: 1, the procedure used to test the four-phase stepper motor-driven two conventional, need to jump cap or the signal output line of DuPont and the corresponding stepper motor signal input terminal connected three speed adjustment can not be too fast, Otherwise, there would be no moment of rotation of the four, according to s4 (set to form an independent key mode) can control the positive inversion

时钟芯片DS1302及其在数据记录中的应用-Clock chip DS1302 and its application in the data record

此为用MSP430单片机写的128*64的液晶驱动和绘图等源程序-This is written with MSP430 single chip LCD 128* 64 graphics driver and source code, etc.

usb接口应用文件供参考 usb接口应用文件供参考-usb interface application documents for reference us b interface application documents for reference

jhd1264 LCD液晶屏的c51驱动程序，经过调试 能正确显示字符。-jhd1264 LCD LCD screen C51 driver, after debugging characters can be displayed properly.

自己写的秒表程序，六位数码管扫描方式，精度可再提高-write his stopwatch procedures, six digital tube scan mode, the accuracy can be increased

645规约集中抄表源代码，运用汇编语言开发编程-Statute of the concentration of 645 meter-reading source code, the use of assembly language programming development

1开放源码的CanOpen(C)-an open source CanOpen (C)