自定义的USB设备单片机固件程序，基于PDIUSBD12 usb接口芯片

PHILIP一双串口单片机P89669的器件资料和用户手册-PHILIP pair of serial devices SCM P89669 information and user manual

一个CPU卡读卡器源代码，接口全部由单片机IO模拟实现，成本极低-a CPU card reader source code, microcontroller interface all IO simulation, low cost

HD7279与51的驱动，主要修正了延时函数及按键函数，按键采集通过中断采集。-HD7279 51 and the driver, amended the delay function keys and function keys acquisition through acquisition interruption.

温度传感DB18B20七段显示实验

里面是的例子和怎么运用，对初学者很有用。代码全部通过-which is the use of examples and how, very useful for beginners. Code passed

51单片机驱动青云创新的LCM3202403的源码，采用控制器方式，控制器为S1D137-51 single-chip driver LCM3202403 Albatron source of innovation, using the controller mode, the controller for the S1D13700

用单片机读写图像显示芯片SAA7114H的程序，并且可以接受红灯信号以及线圈信号的程序-literacy MCU Image Display Chip SAA7114H procedures, and the red light signal can accept and process signals in the coil

单片机读写TDA8007，比较简单，可做参考。-Read and write single-chip TDA8007, relatively simple, can refer to.

LC72131完整程序，朋友刚刚给我就提供给朋友参考-LC72131 complete procedure, a friend just gave me a reference on the provision to a friend

我自己刚刚做的一个频率计，不是很会！希望大家给我提意见-I have just done a frequency counter, it will not! I hope to put forward their views