MCS51和ch375b做USB主机同普通键盘的通信

SD卡的简单介绍，包括SD卡的分类，协议，脚位定义等。-SD card, a brief introduction, including the SD card classification, protocol, pin definitions.

最好的单片机字模提取工具，完全免费，完美版-The best single-chip matrix extraction tool, completely free, the perfect version

FFT子程序，用于AVR单片机上，为7级128点的FFT-FFT Subroutine for AVR Single Chip, for the seven 128-point FFT

单片机用串口控制LED的C程序。相信大家看了后会有收获的-Single-chip LED with Serial Control of C procedures. I believe everyone will be harvested after reading

通用的餐饮收费系统:其主要技术是通过计算机串口与IC卡相关设备进行数据交互.-Common food and beverage charges system: Its main technology is the computer serial port and IC card relevant equipment data exchange.

软件模拟串口-Software simulation serial

用AT89S52编写的12864显示的方波！-AT89S52 prepared with 12,864 square display!

包括单片机c8051f202x系列的datasheet，大家看一下 -Including single-chip c8051f202x series datasheet, a look at U.S.

pic控制的led灯的循环点亮模式，八个LED，高电平点亮，可用于I/O口及其它信号状态的观测。-pic control led cycle lights lit mode, eight LED, high light, can be used for I/O signal state of the mouth and other observations.