一个变频器的代码,用msp430就能实现.低成本,可靠性也不错.

(AD9958用ADuC845控制的keil源代码包,键盘和显示部分在另一个板上，通过串口发送指令和返回数据) 线路图在压缩包内-(AD9958 using ADuC845 control keil source code package, keyboard and display part in another on-board, through the serial port to send commands and return data) circuit diagram in the compression bag

51mcu开发板原理图，天祥电子 -Development board schematics, Intertek e-0000

本文件代码的开发环境是keil C，芯片是AT89S52，这是一个如何使用DS18B20温度传感器的例子，从中可以学习如何利用I2C以DS18B20通信。-This document is a code development environment keil C, chip AT89S52, this is a how to use the example of DS18B20 temperature sensor, which can learn how to use I2C to DS18B20 communications.

8051系列的AD 和DA转换源代码，包含DAC0832,adc 0809,TCL548,TCL2543,ADC2051等等，有C和ASM的源代码。-8051 series AD and DA conversion source code, including the DAC0832, adc 0809, TCL548, TCL2543, ADC2051, etc., there are C and ASM source code.

AD转换芯片max197驱动程序（KeilC51）-AD converter chip max197 Driver (KeilC51)

通过灯的闪烁和声音的不同报警，通过灯的闪烁和声音的不同报警通 过灯的闪烁和声音的不同报警-Flashing lights and sound through the different alarm, flashing lights and sound through the various warning lights flashing and sound through the various warning lights flashing and sound through the different alarm

/// ////ADC0监控中断调试程序//////////////// /////////选择AIN0.3为ADC0转化输入，单端模式///// //调试时可采用变位器作为ADC输入源，调节其电压观察监控中断情况-/////// ADC0 interrupt debugger monitor ///////////////////////// AIN0.3 choice for ADC0 conversion input, single-ended mode/////// debug device when using variable-bit ADC as input source, adjust its voltage monitor to observe a break in

这篇报告介绍了关于PIC单片机原理与应用。主要有以下几方面内容：1 利用PIC单片机的PC计数器及实时计数器计数或计时，利用LED数码管显示数据。 2．利用PIC单片机进行各种信号、数据的采集。 3．利用单片机的控制功能实现控制。 4．了解其硬件上各引脚输入输出口，充分掌握其各个指令和基础编程，以及一些简单的应用。 5．利用EEPROM实现单片机的数据掉电保存及利用I2C模式进行通讯。 -This report describes the PIC microcontroller on the Theory and Application. Mainly the following aspects : the use of a PIC microcontroller and the real-time counter PC Counting or time, use of digital LED display data. 2. PIC for the use of the signals, and data acquisition. 3. Microprocessor control functions to achieve control. 4. Understanding of the various hardware input and output pins I fully understand the basis for all orders and programming, and some simple applications. 5. MCU use EEPROM data preservation and the use of power-down mode I2C communications.

基于8051F020,目的：用LM92器件实现数字化高精度温度测量-Based on 8051F020, Objective: LM92 devices with digital high-precision temperature measurement

功能强大的串口程序，用avr系列的mega16单片机实现-powerful Serial procedures used avr series mega16 MCU