单片机P2口4×4键盘。分别是0到15，很好用的程序欢迎大家下载...

采用TOP227单片开关电源芯片实现的充电器，内附电路图-used TOP227 SMPS chip chargers, enclosing circuit

c8051f020 cp1 的简单应用 -c8051f020 cp1 simple application

此为一个单片机多机通信的程序 有两个从机一个主机 从机1负责采集温度并上传给主机 从机2控制电机转动

本人以前做的一个DVD+TV 项目，51用做控制，含 NEC红外遥控接收和转发，VFD1632驱动，OSD 芯片M35055，NTSC高频头控制以及I2C 24C02的读写，因为以前所写，有些地方看起来有点乱，但功能模块OK，整个程序也是可以运行的，希望能给初用者有点参考-I used to do a TV DVD, 51 used as a control, with NEC infrared remote control and forwarding, VFD1632 drive, OSD M35055 chip, NTSC tuner control and I2C 24C02 read and write, because it was written in some places appear to be a little messy, but functional modules OK, the entire procedure can be run in hopes of giving users a bit early reference

这是我大学同学今年的毕业设计项目：基于USB的红外鼠标。红外遥控器模拟鼠标的左右键，还有滚动条。红外接收用HS0038A接收，在这设计中红外处理部分用一块51单片机处理。USB信号处理部分（即USB设备）用51单片机和PDIUSBD12芯片构成-This is my university students graduating this year" s design project: Based on the infrared USB mouse. Infrared remote control analog left and right mouse button, as well as scroll bar. Infrared receiver with HS0038A receive, in the design of mid-infrared processing section 51 with a microcontroller processing. USB signal processing part (ie, USB devices) with 51-chip microcontroller and PDIUSBD12 composition

AVR单片机读取坐标。 项目中使用过，相当有价值的代码。-AVR read coordinates. Items used very valuable code.

usb固件程序LCD1602_GPIF_Firmwire-usb firmware LCD1602_GPIF_Firmwire

AVR单片机浮点数、串口波特率、定时器参数计算器，很不错的小软件！-AVR microcontroller floating-point, serial baud rate, timer parameter calculators, a very nice small piece of software!

单片机C8051加无线模块NRF24l01，实现与RS232串口通讯

51操作系统RTX51应用,对任务的调度会有很好的了解,很适合初学操作系统的人,另外加了PROTUES对操作系统的仿真-51 operating system RTX51 application of the mission will have a good understanding of scheduling, it is suitable for beginners operating system, and added another on the operating system PROTUES Simulation