采用电流正弦波细分原理，研制出了一种三相混合式步进电机驱动器，实现了三相混合式步进电机的相电流闭环控制和细分驱动。具有多种细分和相电流设置功能，能够驱动多种三相...

捕捉视频VB编写, 捕捉视频VB编写,捕捉视频VB编写-VB prepared to capture video, capture video prepared VB, VB prepared to capture video

cdecl函数调用，了解printf这样的函数调用，对比stdcall会更清楚。-cdecl function call, to understand such a function call printf, compared stdcall will be clearer.

PIC16F877实现按键扫描和数码管显示、蜂鸣片同时DD响，当按键下时，数码管加一，蜂鸣片DD响两次。-PIC16F877 to achieve key-scan and digital tube display, beep sound piece at the same time DD, when the button when you are not, the digital control plus one, beep piece DD ring twice.

一个rs-232接口的程序，已经通过调试。收发只用一个定时器。主芯片――8xC751-an rs-232 interface procedures have been adopted debugging. Transceivers only a timer. Main chip-- 8xC751

随机生成一个有外墙的迷宫，找出迷宫通路并在迷宫图中显示出，给出具体路径-Randomly generated with the external walls of a maze of pathways in the maze of the maze to find the figure shows that given a specific path

i2c protocol,this program to 8951 hardware systems-i2c protocol, this program to 8951 hardware systems

运行可执行程序testword.exe，出现菜单主界面，按回车键出现由26个字母组成 的乱序行，这时其中任一字母落下，在键盘上敲入该字母，如果输入正确，字母 消失；按ESC键返回主界面；按空格见暂停；按‘E’退出。-running executable testword.exe, appeared main menu interface, press the Enter key emerging from the 26 letters of disorder OK, then any one of the letters ended in Jianpanshangqiao into the letters, If the input is correct, the letters disappeared. by the ESC key to return to the main interface; see box by the moratorium; by the "E" withdrawal.

Registry Edit Sample code

利用8255可编程并行口做一个扫描键盘实验，把按键输入的键码，显示在由8279控制的七段数码管上。8255PA口做键盘输入线，PB口作扫描线-8255 programmable parallel port using a scanning keyboard to do the experiment, the button input keys code, displayed in the control of the team respectively by 8279 digital tube. 8255PA I make the keyboard input line, PB mouth for scan line

用汇编编写的矩阵乘源代码，可以在WinDLX下运行-Matrix prepared by the compilation by the source code, you can run WinDLX