基于at89c52的乒乓球游戏系统，全部通过lcd菜单选择，通过proteus仿真（绝对可行）...

由sEOS简化来得，应用于51的简单OS，主要是时间的管理，没有更多的功能，但是分实用-sEos by more simplified, for the simple 51 OS, is time management, no more functional, but the practical points

spi 翻译资料 7.2 SPI总线 SD卡信道由指令和数据位（起始位和结束位）组成，SPI信道由字节定向。 每一个指令或数据块由8位的字节和CS标志构成。类似SD卡协议, SPI通讯由 指令、响应和数据组成。全部的主机与SD卡之间的通信由主机控制。主机执行 每一跟CS标志为低的总线-spi Translation 7.2 SPI bus data channel from the SD card command and data bit (start bit and end bit) component, SPI channel directed by byte. Every command or data block from 8-bit bytes and CS constitute signs. SD card similar to the agreement, SPI communications from command, response and data components. All of the host and the communications between the SD card by the host control. Each host implementation with CS low marks for bus

对于学习，使用PCI单片机来开发的人有参考价值,PCI编程使用技术资料-For the study, the use of PCI microcontroller to develop people have reference value " PCI programming using the technical information"

数码管驱动芯片用键盘驱动，有详细说明

AVR开发工具-ISP下载电缆的PCB图 PonyProgPCB-AVR development tools-download cable ISP PCB plans PonyProgPCB

此源码基于MAX1898实现智能充电器，可以借鉴-MAX1898 Intelligent Charger, we can draw on

ZLG USB 套件-ZLG USB set of

功能： 1、作为下位机采集8255数据并将此数据通过通讯送出， 2、采集数据为BCD，先转换成二进制，处理后再转换成BCD 3、通讯采用方式3，多机通讯，上位机发地址时TB8=1，其他TB8=0 下位机SM2=1，RB8=1时产生中断后使SM2=0收发数据，结束后SM2=1-Features: 1, as under the 8255-bit machine data collection and communications sent through this data, 2, collected data for the BCD, first converted into binary, and then converted to deal with BCD 3, communication using methods 3, multi-machine communication, PC-fat address TB8 = 1, other TB8 = 0 under the digital machine SM2 = 1, RB8 = 1 when the failure to make SM2 = 0 to send and receive data, after the end of SM2 = 1

利用8051单片机驱动H6152射频读写模块，实现对非接触式射频卡的读写操作。-8051 drivers to use radio frequency reader module H6152, to realize non-contact RF card read and write operations.

触摸屏芯片ADS7846ADS7843驱动程序(C51)-Touchscreen chip ADS7846ADS7843 Driver (C51)