实现MODBUS RTU的完整代码，做MODBUS RTU网关的很实用。

基于12887和80c52的时钟程序，c语言开发 -based on the 12887 and 80c52 clock procedures, c-language development

C51汇编必做试验6 串行口扩展（同步通信）。-ASM exam6- communication with serial port.

基于MCS―51系列单片机的按键程序，包括扫键，按键算法等一系例思想和代码。-Based on MCS-51 series single-chip key procedures, including the sweep key, key algorithm, such as Example 1 Department of ideas and code.

C51 USB1.1开发源码及相关开发工具和文档，以及USB接口芯片资料-C51 USB1.1 open source and related development tools and documentation, as well as information on the USB interface chip

周立功ZLG7289 驱动原代码 -ZLG7289project16project16project16

TI公司的MSP430F1611单片机的液晶显示程序-TI

arm(44b0)端口初始化,在程序里面有较多的注释部分, 在具体情况下可用-arm (44b0) port initialization, the procedure has more notes inside part can be used in specific circumstances

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proteus与avr结合开发的单片机程序，实现走表功能-proteus and avr microcontroller combined with the development of procedures to achieve functional walking table

51单片机写得温度控制，经调通的程序 可以给初学者作为参考-51 Single-chip temperature control written by the tune