mp3 player software, the use of T6280 processor chip.

一款KingB公司的语音编码解码程序，效果还不错，支持PWM和VOC输出-KingB a company

MCS51和ch375b做USB主机同普通键盘的通信-MCS51 and ch375b to do with an ordinary keyboard USB host communication

MSP430 系列超低功耗16位单片机原理与应用-MSP430 family of ultra low-power 16-bit single-chip Principle and Application

cd4094驱动程序，驱动1位共阴极数码管，pic12c508a作为控制器，gp0-gp2分别为data,clk,strobe.-cd4094 drivers, driving a total digital cathode tubes, pic12c508a as controller, gp0-Day for data, clk, strobe.

DDS集成芯片AD9851的应用，用键盘输入任意频率，液晶1602显示，由DDS输出正弦波-DDS chip AD9851 applications, using keyboard input at any frequency, liquid crystal display 1602, by the DDS output sine wave

51单片机的以太网 Ethernet 源程序和原理图-51 MCU Ethernet code and Schematics

基于MSP430F149单片机的PS/2键盘程序，可以读取普通PC键盘上的按键键值。希望读者已了解PS/2的引脚功能。-MSP430F149 MCU-based PS/2 keyboard procedures, which can be read by an ordinary PC keyboard keys on the keypad. I hope readers understand PS/2 pin functions.

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.

avr单片机，对目标板的编程，测试显示灯，发送串口返回值-avr microcontroller, the target board programming, testing lights, sending serial return values

实现多个16*16LED屏的多个字符显示,显示方式有整行上移、帘入帘出、左移、右移-Achieve more than 16* 16LED screen shows a number of characters, displayed on the entire line has moved a curtain to curtain, the left, shifted to right