winavr环境下的一段与pc机进行通讯的程序，可供参考。

步进电机正反转及调速控制--51单片机学习--c语言的-Positive inversion and Speed Control Stepper Motor

pcf s I2C softpake ,form zlgmcu.com

PTR8000发送接收驱动程序。只需在主程序中只需做小小的改动就可以，使用这个模块！！！ -Send PTR8000 receive driver. Only in the main program in only small changes can make use of this module! ! !

系统讲解了51单片机,实用于初学者,可以很快入门-system on the 51 microcontroller, in the practical and beginners can quickly entry

8051仿真程序.可以对8051做详细的了解。全部内容以傻瓜式告诉学习者，通过学习本软件可以对汇编的编程有更深入的了解。-8051 simulation program. May 8051 a detailed understanding. All the contents to tell the fool-learners, learning the software to be able to compile the program with a more in-depth understanding.

Altera DE2-70开发板的使用手册-Altera DE2-70 development board manual

液晶JCM12864M的中文技术手册，调试通过绝对正确的C代码，请大胆使用-LCD JCM12864M Chinese technical manuals, commissioning through the absolutely correct C code, making bold use of

usb 68013A芯片原理图和PCB图-usb 68013A chip and PCB schematic diagram

激光测距程序，MCU用的是三星的八位处理器，型号为S3C8245，如有不不明白，请发邮件到MICHEAL23・SOHU。COM-laser rangefinder procedures, the MCU is Samsung"s eight processor model S3C8245, if not do not understand, please send mail to MICHEAL23 SOHU. COM

8019sch网络芯片 带PCB图 8019sch网络芯片 带PCB图-8019sch network chip with PCB Figure 8019sch network chip with PCB diagram