利用AVR单片机实现的慢速USB设备协议

主要考虑处理速度、功耗、程序存储器和数据存储器的容量、片内的资源，如定时器的数量-Main considerations deal with speed, power, program memory and data memory capacity, on-chip resources, such as the number of timer

单片机控制max261/max260/max262的C语言程序，keil调试，有2个警告，欢迎下载。max262和max260/max261的写入方式不同。max260和max261/max262器件引脚不同-SCM max261/max260/max262 the C language program, keil debugger, have two warnings, welcome to download. max262 and max260/max261 write in different ways. max260 pin devices and different max261/max262

基于Ramtron公司的VRS51L3074高性能8位单片机的MP3(VS1003)驱动程序,程序在Keil环境编译,程序内自带一段15K左右的MP3文件,可以直接播放测试.-Based on Ramtron" s VRS51L3074 high-performance 8-bit microcontroller MP3 (VS1003) drivers, programs, the environment in the Keil compiler, the program comes with a 15K or so inside the MP3 files can play test.

I2C实用源代码。KEIL C51编译器编写。-I2C utility source code. KEIL C51 compiler to prepare.

液晶显示模块。在lcd上显示数字的函数。-display of the lcd

24位高精度AD：AD7710的中文资料-24 high-accuracy AD: AD7710 Chinese information

nRF9E5的性能测试程序,该程序控制开发板的一个灯的亮与灭.-nRF9E5 the performance test procedures, the control of a development board with the bright lights out.

PCB布线规则-.

这是一个读取ID卡的源代码，仅依靠8052的时钟读取125K频率的ID卡。-This is an ID card read the source code, only 8,052 on the clock read 125K frequency ID cards.

OPENGMAX，大家可能都用到过，这里可以和大家分享一些优化的代码，可以共同提高，ARMcode 优化-OPENGMAX, you may have used before, here we can share some optimized code, can work together to improve, ARMcode optimization