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DS18B20温度1602显示，51单片机使用，驱动代码，可用(1602 DS18B20 temperature display, 51 single use, driver code, available)

51单片机驱动12864及1602程序，带有proteus仿真(51 microcontroller drive 12864 and 1602, with proteus simulation )

联想万全R680G7服务器系统用户手册，本书将简要介绍万全R680 G7服务器的产品特色、系统规格及功能特性，以使您对于 该服务器使用有一个了解。 产品概述 万全R680 G7是一款4U机架式服务器，它采用了Intel Xeon 7500系列兼容Intel Xeon 6500系列处理器（Nehalem-EX）与Intel Xeon E7 系列处理器（Westmere-EX）和Intel Boxboro-EX IOH+ ICH10R芯片组，具有强大的数据处理能力和良好的扩展性，是一款 技术领先、具备高可靠性、易用性、可管理性以及高扩展能力的，极具性价比的高端服 务器产品。(Lenovo foolproof R680G7 server system user s manual, this book will briefly introduce foolproof R680 G7 server product features, system specifications and features, so that you use for the server have an understanding. Product Overview foolproof R680 G7 is a 4U rack server, it uses the Intel Xeon 7500 series compatible Intel Xeon 6500 series processors (Nehalem-EX) with Intel Xeon E7 series processors (Westmere-EX) and Intel Boxboro-EX IOH+ ICH10R chipset, with powerful data processing capability and good scalability, is a technology leader, with high reliability, ease of use, manageability and high scalability, and highly cost-effective high-end server products.)

IAR开发环境，STM8L单片机，Att7053计量芯片，此仪表程序可以显示电压电流频率(IAR development environment, STM8L SCM, Att7053 measurement chip, the instrument can display the voltage and current frequency of program)

msp430g2553利用定时器产生多路可调占空比PWM(Make PWM by MSP430G2553.)

As a multicarrier transmission system Orthogonal frequency division multiplexing (OFDM) has been widely applied in wireless communication systems due to its numerous advantages like robustness against multipath fading and delay, high data rate transmission capability, high spectral efficiency, allows adaptive modulations

四字16*16点阵电子屏字符显示器 显示字用查表法，不占内存，用四个16*16共阳LED点阵显示， 效果：向上滚动显示字，每次四个，重复循环(Four characters 16* 16 dot matrix electronics display screen characters use the word look-up table method, do not account for memory, with a total of four 16* 16 LED dot matrix display Yang, effect: scroll up words, every four, repeat cycle)

说明：  本文件是msp430单片机驱动液晶lcd1602的头文件(This document is the header file of LCD 1602 driven by MSp430 MCU.)

本装置采用单相桥式DC-AC逆变电路结构，以TI公司的浮点数字信号控制器TMS320F28335 DSP为控制电路核心，采用规则采样法和DSP片内ePWM模块功能实现SPWM波。最大功率点跟踪（MPPT）采用了恒压跟踪法（CVT法）来实现，并用软件锁相环进行系统的同频、同相控制，控制灵活简单。采用DSP片内12位A/D对各模拟信号进行采集检测，简化了系统设计和成本。本装置具有良好的数字显示功能，采用CPLD自行设计驱动的4.3’’彩色液晶TFT LCD非常直观地完成了输出信号波形、频谱特性的在线实时显示，以及输入电压、电流、功率，输出电压、电流、功率，效率，频率，相位差，失真度参数的正确显示。本装置具有开机自检、输入电压欠压及输出过流保护，在过流、欠压故障排除后能自动恢复。(This device single-phase bridge type DC-AC inverter circuit structure, TI company of floating in digital signal controller TMS320F28335 DSP as the control circuit, the core rules sampling method and DSP piece ePWM module function realization within SPWM wave. The maximum power point tracking (MPPT) used the constant pressure tracking method (CVT method) to realize the software, and phase lock loop to carry on the system the same frequency, phase control, control with flexible simple. By using DSP piece of 12 within the A/D of each simulation signal acquisition detection, simplified system design and cost. This device has a good digital display function, use CPLD to design the driver 4.3 " TFT LCD color LCD very intuitive to finish the output signal waveform and spectrum characteristics of online real-time display, and the input voltage, current, power, the output voltage, current, power, efficiency, frequency, phase difference, the distortion degree of parameters display properly. Thi)

文以永磁同步电机为对象，采用矢量控制方案，首先我们研究了基于PI 的控制算法，在仿真基础上指出了PI 算法存在的一些不足。 在此基础上我们研究了基于扩张状态观测器（ESO）前馈补偿和线性比例反馈控制的永磁同步电机速度环控制算法， (Taking PMSM as the controlled plant, this paper studies the control system based on vector control, first, the servo control scheme based on PI control law is studied. Some limitations of PI based control scheme are pointed out. )