矿工定位系统单端

RS422 RS485技术标准-RS422 RS485 technical standards

x5045,在P89V51RD2中用的，有EEROM，还有看门狗功能等！如果要详细的可以联系我，550291932-x5045, in P89V51RD2 used, and has EEROM, there are watchdog function! If you want details you can contact me 550291932

8051单片机上4*4矩阵键盘的扫描方式4-none

自己动手制作一个MCS-51编程器，非常实用-yourself making a MCS-51 programmer, very practical

这是新华龙（www.xhl.xom.xn）开发的，基于单片机，现在可以在它的网站上免费下载，不过当初他可是花了500大元买的。 --It is developed by www.xhl.xom.xn and based on SCM.

用串口实现单片机和带键盘的显示屏之间的通信，包含包头包尾。-By serial single-chip implementation of the display and keyboard with communication between the packet contains the end of Baotou.

利用c51单片机的定时计数模块进行实现的设置时间到点蜂鸣功能的程序-use c51 SCM regularly counting module to achieve the set time to witness the faint buzzing functional procedures

关于msp430单片机的资料，有一本msp430的教程，还有一本是关于msp430的应用。对学习这款单片机的人很有用。-Information on the msp430 microcontroller, there is a msp430 tutorial, as well as an application on the msp430. MCU of people learning this very useful.

具有多重功能的Ｃ程序，用于倒计时使用。 人行，车行自动识别．-Multi-function C procedures for the use of the countdown. People

ADC7841 为12位4通道串行AD转换，本程序为SPCA061A为CPU 扩展ADC7841-ADC7841 for 12 4-channel serial AD converter, the procedures for SPCA061A for CPU expansion ADC7841