自定义的USB设备单片机固件程序，基于PDIUSBD12 usb接口芯片

51单片机与USB芯片PDIUSBD12接口固件程序,来源于周立功单片机-51 MCU with USB interface chip PDIUSBD12 firmware procedures, Zhou, who comes from SCM

DAC0832显示波形-DAC0832 displayed waveform

EDN板子做的1602显示时钟 温度，可参考-EDN board to do the 1602 show the clock temperature, may refer to

本开发包里包含了EM4095的相关开发资料，非常有用，里面还有EM4095的PDF资料-This development package contains the EM4095 related to the development of information, very useful, there is also a PDF of information EM4095

MicoCANOpen很好的学习源代码，包括了CANOpen实现的源代码以及在C51和P591单片机上的实现。-MicoCANOpen good learning source code, including the CANOpen realize the source code as well as in C51 and P591 on the realization of single-chip microcomputer.

用于CAN源代码.rar的头文件,一个不错的例程.-for source code. Rar the first document, a pretty good routine.

8051单片机上4*4矩阵键盘的扫描方式2-none

一个不错的硬盘播放器程序,包含VFD显示程序,红外线遥控程序,硬盘读写程序,及解码程序等.-a good hard disk player procedures, including procedures VFD, infrared remote control procedures, hard drive read and write procedures and decoding procedures.

用于C51上的modbus协议，经测试可运行，但还不完善-C51 for the Modbus protocol, the tests will be run, but still not perfect

i2c通讯C程序源代码,经测试合格,可以放心使用,请注意时钟周期-i2c communication C program source code, have been tested and qualified, you can rest assured that the use of, please note that clock cycle