usbdisk

斩波电路也称为直接直流变流电路，它的功能设计将直流电变为另一固定电压或可调 电压的直流电，下面给出一种降压斩波电路。(The chopper circuit is called direct DC converter circuit, it will function design of DC to DC voltage or other fixed adjustable voltage, a chopper circuit is given below.)

在89C55CPU下开发的语音芯片驱动程序，在keil C编译环境下执行通过(Developed in 89C55CPU voice chip driver, keil C compiler in the environment through the implementation of)

说明：  交通灯程序，可以让交通灯倒计时，有五种模式可调(Traffic light procedure)

数字系统设计报告，多功能电子钟，显示年月日星期时分秒，及校时等功能(Digital system design report, multi-functional electronic bell, show date when the minutes and seconds a week, and school functions when)

51单片机蜂鸣器音乐播放器的头文件，可自己更改旋律(51 MCU buzzer music player header file, you can change the melody)

omap3530 led,寄存器，GPIO，ad 转换的驱动(the driver of omap 3530 led ,seg,GPIO, ad transmition)

这是24C0X－24C256共9种EEPROM的归一化读写C程序.(- 24C256 a total of nine species of EEPROM read and write to one of the C program.)

基于IAWPS-IF97编写的水物性程序，用于计算液相水和水蒸气的物性。(Based IAWPS-IF97 water was prepared by the procedures used to calculate the liquid water and water vapor properties.)

基于cortex-M3的TCP客户端程序，有上位机软件，及MCU的驱动程序，使用LWIP协议栈。(cortex-m3，lwip，TCP/IP)

说明：  电子工程师学习的最好的学习资料，能够了解电子设计必学软件资料。建议珍藏，电子设计初学者必备(Electronic engineers to learn the best learning materials, to understand the electronic design will learn software data. Recommended collection, electronic design for beginners)