Digital-loop-display

AD9858：频率从1M~120M输出可设置。通过测试。(AD9858: frequency from 1M ~ 120M output can be set. Pass the test.)

说明：  基于单片机的电阻测量系统，带vb上位机控制和显示同时还有无线发射(MCU-based resistance measurement system with vb PC control and display as well as a wireless transmitter)

基于STC 51单片机做的灭菌器，传感器PT100，PID控温，滑动平均算法处理等包含eeprom底层程序(STC5620AD include PID and eeprom)

基于单片机和C语言的，步进电机加速减速匀速演示，希望方便大家(Based on SCM and C language, stepper motor acceleration and deceleration uniform presentation, I hope to facilitate)

自己画的四轴飞行器，原理图，pcb。。。。。。。。。。。。。。。。。。。。。。。为了20个子，我真的不容易(Own painting Four aircraft, schematics, pcb)

Mitsubishi FX Keyreader to unlock FX1S,1N, 2N

说明：  步进电机L298N可调速msp430控制调试成功(Stepper motor L298N can be governor the msp430 control debugging success)

设计并制作一个功率可程控的高效率音频功率放大器及其参数的测量、显示装置。功率放大器的电源电压为+12V（电路其他部分的电源电压不限），负载为8Ω电阻。(Audio amplifier)

学4年来做过的竞赛以及老师的科研项目所积累下来的c51源代码，一共有40(4 years of study done as well as the Teacher of the competition accumulated research c51 source code, a total of 40)

说明：  这是一个简单的数据采集卡的例子程序，主要介绍编写数据采集卡的驱动的基本流程。MakeFile文件的编写等等。。。 希望对新手有帮助(This is a simple example of data acquisition card procedures, mainly the preparation of data acquisition card driven by the basic process. MakeFile documentation and so on. . . I hope to help novice)