模拟异步串行通信

我自己用的MSP430的JTAG。包括原理图和PCB版图！AD6软件打开。-my own use MSP430 JTAG. Including schematic and PCB territory! Sp open software.

sttesttool.rar的标准testtool.rar驱动，附带st驱动说明文档-sttesttool.rar standard testtool.rar drive, incidental documentation st driver

基于51单片机的电子万年历程序，TXT格式的文档方便观看-51 MCU-based electronic calendar program, TXT format for easy viewing of documents

液晶lcd12864的显示程序。采用的是并口传输。-LCD display lcd12864 procedures. Parallel transmission is used.

avr 单片机modbus rtu协议。 模块化程序适合移植，注释详细，适合初学者使用。在两节modbus协议的基础上在看程序会更好。

this is sleep and time function, you can have a look. it is programming by c language, the gold of this program is achieve   1.how to use time functions to measure time 2. to understand program execution in a multi-task environment 3. to understand the concept of time drift

本文档是关于boa web服务器的源程序，已经经过测试，稍做修改可进行嵌入式的移植-boa web server on the source code has been tested, can be tailored for embedded transplant

vb与PLC的通讯程序 vb与PLC的通讯程序-vb communication with the PLC program vb communication with the PLC program

这个程序扫描:KEY1...KEY4,返回按相应的按键字符: 1 , 2 , 3 , 4 // 并在LCD上显示出来(注:J18要短接给LCD供电).-key1，key2，key3

MODEM AT 指令集-MODEM AT command set