实现MODBUS RTU的完整代码，做MODBUS RTU网关的很实用。

基于C51及SL811读写U盘的源程序，开发文档资料,芯片数据手册,测试命令及测试工具,电路原理图,请参C51_SL811_ModeDisk_manual-Based on the C51 and SL811 source disk to read and write U, the development of documentation, the chip data sheet, test orders and test tools, circuit schematic diagram, please refer to C51_SL811_ModeDisk_manual

键盘扫描算法有很多中，这个程序在IAR编译器下，用C语言描述了其中一种算法-Keyboard scan algorithm has a lot in this process in the IAR compiler, using C language to describe an algorithm which

rc500 c语言库函数，对RC500的开发提供了捷径-rc500 c language library functions, the development of RC500 provides a shortcut

ds1302.rar驱动程序,已经通过测试.-ds1302.rar driver has passed the test.

本程序为LCM128X64的驱动程序，控制器为KS0108，即有汉字驱动程序，又有图形驱动程序。-This procedure for LCM128X64 driver, controller KS0108, which has Chinese characters drivers, and graphics drivers.

以个C51编写的完整函数集，包括时钟，LCD，语音芯片-- C51 to prepare a complete function set, including clocks, LCD, voice chip

基于凌阳单片机数字电子钟开发源代码，是已经调试好的源代码，可以直接用。-Sunplus based on the development of single-chip digital clock source code, is already a good debugging source code, can be directly used.

FLASH芯片29C040的C源码-FLASH chip 29C040 C source

BasicCAN 驱动程序-BasicCAN Driver

44b0串口测试程序,直接编译过的 直接可以时候代码觉得好使-44b0 serial test procedure, direct compiled code directly can find the time so