it is the lession of SPEC061A ,and it is good for the freshman

ModBus通信参考程序，Keil编译，学习ModBus的好工具-ModBusx protocol simulation, study well the instrument ModBus

会议计时器，以MCS51单片机为核心，实现会议演讲定时提醒功能，可以进行设定时间，倒计时，暂停，蜂鸣器提醒或灯光提醒等功能-Session timer to MCS51 single-chip microcomputer as the core, the realization of the meeting from time to time to remind the function of speech, you can set time, the countdown, suspension, or a buzzer to remind lighting functions to remind

此模块是我在以前公司做热风枪项目时设计的一个模块，用于实时显示当前温度，其精度可以达到1摄氏度，三位半液晶显示，界面美观，稍作改动也可用段码LED作为显示。 程序功能：10位A/D的温度采集（热电偶）；TN段码液晶驱动；温度补偿； 文件包括：所有C源程序；完整的项目文件包（基于MCU：HT46R23） PCB HT46R23 DATASHEET 三位半液晶片DATASHEET-This module is in my hot air gun to do before the company projects a module designed for real-time displays the current temperature, its accuracy can reach 1 degree Celsius, three semi-liquid crystal display, interface aesthetics, make a minor amendment to paragraph can also be used as a code LED display . Program features: 10-bit A/D Acquisition temperature (thermocouple) TN LCD driver code segment temperature compensation documents include: All C source code complete package of project documents (based on the MCU: HT46R23) PCB HT46R23 DATASHEET 3 semi-liquid crystal film DATASHEET

一个ATmel公司的AT89s系列的ISP下载器，软件用at89isp，可以从Atmel的官方网上下载！-ATmel a series of AT89s ISP download, software used at89isp, from Atmel"s official online download!

//P89C51RC+、P89C51RD+特有例子//初始化错误或通信错误等待1秒，让 //pc程序超时并报告错误-//P89C51RC, P89C51RD specific examples// initialization error or wait for a communication error seconds,// pc overtime procedures and report errors

数字波形发生器,能够产生同步的几个方波.-digital waveform generator capable of producing several square synchronization.

基于89S51单片机，实现正统，方波和三角波的输出-89S51-based single-chip, to achieve legitimacy, square and triangle wave output

Cs8900网卡DSP驱动 -Cs8900网卡DSP驱动Cs8900网卡DSP驱动

keilC芯片选择可以看出STC中不需要包含

如文件名，在LPC2138上的I2C的Master发送接受测试程序。里面的readme.txt（英）有详细说明。-If the file name, in the LPC2138 on the Master send I2C tested procedures. Inside the readme.txt (British) has a detailed description.