关于嵌入式PS2键盘的原理图，基于51单片机的工控键盘。很实用，包括程序，基于Keil的软件程序-On the embedded PS2 keyboard schematics, single-chip microcomputer-based industrial control keyboard 51. Very practical, including the procedures, the software program based on the Keil

在51单片机上实现的完整功能的计算器源代码，用c写成.-Now 51, such as Article ? Lennon wife of mother

8051 VARIOUS UTILITY FUNCTIONSUTIL_ADCAD - Add Acc to DPTR, sets CYUTIL_ADCBAD - Add B/A to DPTR, sets CYUTIL_SUBBAD-8051 VARIOUS UTILITY FUNCTIONSUTIL_ADCAD- Add Acc to DPTR, sets CYUTIL_ADCBAD- Add B/A to DPTR, sets CYUTIL_SUBBAD

单片机TCP/IP源代码-SCM TCP/IP source code

ARM的计数器中断实验。是基于Keil For Arm的。-ARM interrupt counter experiments. Is based on the Keil For Arm.

图形点阵液晶模块相关的各种面板大小驱动程序。-graphics dot-matrix LCD modules related to the panel size driver.

单片机智能抢答器设计论文，以及设计硬件图和附录-Single-chip intelligent design thesis Answer，And design the hardware chart and Appendix

1.2v镍氢电池智能充电器，内含C源代码，原理图以及PCB文档，采用△V方法检测电压变化。-1.2V Ni-MH battery smart charger, includes C source code, schematic and PCB documents, the use of △ V voltage change method.

所以与DDS有关的中文资料及调试心得，打包下载-So with the DDS-related information and debug the Chinese experience, packing Download

串口通信的光纤调制解调产品“光猫”的AT89C2051单片机完整源代码及其说明-serial communication fiber modem products "- cat" AT89C2051 integrity of the source code and its description