出租车计费系统 里面有相应的键盘扫描程序，以及相应的 显示模块...

SST39VF080 FLASH的单片机驱动源代码，可直接复制到uVision中验证，开发的单片机芯片为80C51-SST39VF080 FLASH microcontroller-driven source code, can be directly copied to verify uVision to develop chips for the 80C51 microcontroller

液晶显示程序，C语言编程，相液晶中写入数字，显示所需要的图形-Liquid crystal display

51单片机 keil c 延时程序的简单研究.-51 Single-chip delay keil c program simple research.

LT_1B msp430开发板例子程序－TA4

C8051f020与气压传感器HP03S制作的气压测试仪，串口与PC机通讯。Keil工程打包。-C8051F020 and pressure sensor produced HP03S pressure tester, serial communication with PC. Keil engineering package.

利用avr c编程并实现了proteus模拟，可作为avr的绝好学习例程-Avr c programming and the use of the Proteus realize simulation, can be used as an excellent learning routines avr

这是一个音乐播放程序，它可以驱动两首歌曲进行演唱-This is a music player, it can drive the two songs to sing

KeilC51下的USB的slave设备源码,MCS51开发.-In KeilC51 environment, slave device source code for USBand the exploitation for MCS51

波轮式全自动洗衣机的单片机控制.很实用的--Using SCM to control an automatic laundary machine.

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。-Computer audio switch controller (with infrared function) with AT89C251+ CD4016 switch control, can control more than four stereo audio input switch, stereo output along the way, has infrared remote control PC functions.