一个75HZ铃流实时检测程序，灵敏度很高，可以用于电话来电铃流检测。...

AVR单片机CRC校验码的查表与直接生成-AVR monolithic integrated circuit CRC verification code Zha Biao with directly produces

单片机控制的步进电机系统，包含keil51仿真和DXP原理图。-Single-chip stepper motor control system, including simulation and keil51 schematic DXP.

ARM7开发板的USB源程序，好东西咯。 -ARM7 development board

其中包含了单片机与5045芯片的通信，读出字节，写入字节！还有单片机的内部时钟定时器，中断等操作！-Which includes 5045 single-chip and chip communications, read byte, write byte! There are single-chip" s internal clock timer, interrupt operation, etc.!

我认为很经典的供初学者学习的数码管显示程序-I think that is very classic for beginners to learn the digital tube display program

温度控制器：AT89C2051做数据处理和显示；18B20做测温-temperature controller : AT89C2051 do data processing and display; 18B20 do Temperature

这是AD转换芯片AD7705的初始化程序，主要是寄存器的配置-This is the AD conversion chip AD7705 initialization procedure is the configuration register

采用PDIUSBD12开发的USB总线与429总线数据转换的单片机固件程序-used PDIUSBD12 development of the USB bus with 429 data conversion MCU firmware

很有参考价值的51单片机串口程序，正在搞串口的看一看-great reference value of 51 MCU procedures, is now pursuing a look at the serial port

opentcp-8052-1-0-4-1-src,包含了常用的网络协议，已经成功的移植到51中-opentcp- 8052-1-0-4- 1-src, contains commonly used network protocol, already successful transplant 51