emmbeded system , very good

verilog编写，将I2C串行数据转化为并行数据的功能模块，类似于PCF8574芯片的功能。以后不用买另外的芯片就可以直接将并行数据连到I2C总线上了-Verilog prepared to I2C serial data into parallel data of the function modules, similar to the function of PCF8574 chip. After the chips do not have to buy another can be connected directly to the parallel data to the I2C bus on the

基于ST407开发板设计，通过HID设备的USBOTG模式跟上位机通讯，上位机程序是HIDClient，在KEIL目录的ARM中可以找到。

linux下音频动源码,该源码成功用在学习机上.-linux dynamic audio source, the source successfully used in machine learning.

how to use si labs microcontroller ADC

一个Flash下载工具，主要是通过调用USB驱动，将数据写到arm开发板的Flash中。-download a Flash tools, mainly by calling the USB drive, the data development board wrote arm of Flash.

LMD18200的技术文档，一片实用的电机驱动芯片-LMD18200 technical document, a practical motor drive chip

8路数据循环采集，用MAX7219驱动数码管显示转换后的值以及通道号-8-channel data acquisition cycle, driven by MAX7219 digital tube display converted value as well as the channel No.

利用单片机实现的万年历程序，采用C预言描写，程序简单易懂，该程序可以通过键盘设置小时、分钟和秒，并有整点闹铃和音乐报时等功能

酒店用的嵌入式无线点餐系统，通过无线发送，实现快速点餐-Hotels with meal points embedded wireless systems, wireless transmission, to achieve quick meal

Cypress 68013产品开发原理图-Cypress 68013 product development schematic