电脑音源切换控制器（带红外功能） 用AT89C251+CD4016切换控制，可控制四路以上的立体音源输入切换，一路立体声输出,有红外遥控PC功能。

4*4键盘程序，来自msp430系列单片机-4* 4 keyboard procedures, from MCU Controller Series

AVR MEGA162开发摩托罗拉产GPS模块FCOnOre,价格比较低廉，性能好，但需要进行初始化后才能工作，代码功能是初始化模块及接收GPS信息，也包括部分的SPI双机通信-The development of AVR MEGA162 Motorola GPS module production FCOnOre, relatively low price, performance good, but it needs to initialize in order to work, the code function is to initialize the module and receive GPS information, but also part of the SPI double machine communication

C8051F020的LCD的驱动程序，包括画图的一些例程-C8051F020 the LCD driver, including drawing a number of routines

步进电机系统系统硬件结构框图,步进电机系统系统硬件结构框图-Stepper motor system hardware block diagram of the system, stepping motor system, system hardware block diagram

自行车里程设计的远程序 他的用途很实际的 并且说明详细-bicycle mileage from the design process he uses a very practical and detailed note

一种基于PWM调制的高效率的变换电路的研究。-A high-efficiency PWM modulation circuit of the transform.

这是本人去年学习所用的新华龙F020开发板的PCB Layout板.因为只用了两天时间画完,没有做走线优化.希望对大家有所帮助.-This is the last year I used to learn new hualong F020 development board PCB Layout of the board. Because only two days画完, there is no alignment to do optimization. Want to be helpful to everyone.

LCD的工作原理，包括LCD的液态晶体介绍，扫描技术，显示模块等等！-LCD working principle, including the LCD liquid crystal, the scanning technology, display modules and so on!

粮情测控系统的设计 （基于凌阳单片机）硬件软件设计-Grain monitoring and control system design (based on Sunplus Single-chip) hardware and software design

AVR单片机的TWI（IIC）总线功能驱动函数库，可直接调用本函数库驱动24C08等IIC器件。-AVR microcontroller TWI (IIC) bus function driver functions can directly call this function, database-driven 24C08 devices such as IIC.