直流电机速度测量与调节，通过设置不同的按钮来控制奠基的转速，而且显示在数码管上

man, i think i can download files right for i uploaded 5 files.

NRF2401_send2 c8051f330 无线接收程序-NRF2401_send2

自制的串口控制8路光藕隔离输出，可以通过计算机串口控制，8路输出-homemade serial control a variety of eight-channel optical output isolation can be controlled via computer serial port, eight output

用PIC18F4431设计的空调软件，工作方式与海尔的氧吧空调一样。-PIC18F4431 with the air-conditioning design software and work with the Haier air-conditioning as Oxygen-bar.

一个很好用的密码锁程序，MCU用的是EM78P447，经试用非常可靠，提供给想学习EMC的用户使用，如有需要原理图的请发邮件到micheal23@sohu.com,注：需注明LOCK原理图-good with a password lock procedures, the MCU is EM78P447, tested very reliable, available to want to learn EMC users, if necessary schematic please send mail to micheal23@sohu.com, Note : LOCK be annotated diagram

友善臂开发板上使用的S3C2410，2.6内核的LCD驱动，源码包以及移植方法。-A friendly arm on the board used in the development of S3C2410, 2.6 kernel LCD driver, source packages as well as the method of transplant.

STC单片机大量电路实例，有电源电路，通信电路，含原理图-STC Singlechip a large number of circuit examples, have the power circuits, communication circuits, including schematic diagram

zlg7290 i2c 演示程序； 演示周立功7290芯片的功能-zlg7290 i2c Demonstration Program; Zhou, who demonstrated the functions of 7,290 chips

keil-c51单片机的学习宝典，经典中的经典啊！-keil-c51 MCU learning canon classical ah!

8x8矩阵示例