key_irq

说明：  通过bh1750与stm32连接，检测光照强度并显示在液晶屏(Through the connection of bh1750 and STM32, the light intensity is detected and displayed on the LCD screen)

iic触摸屏驱动程序，支持多点触摸功能，应用于平板电脑上。(The iic touch screen drivers, and supports multi-touch function, applied to the tablet PC.)

说明：  电力系统继电保护原理（第三版）-天津大学.pdf 电子书籍。(Power System Protection Principles (third edition)- Tianjin University. Pdf e-books.)

给四旋翼飞行器定高的源程序，用pid控制，可实现悬停的功能，基于stm32单片机(Four-rotor aircraft to set a high pid control source)

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.)

利用但总线DS18B20测温程序，并在LCD显示，取三位有效小数位。整数部分两位。共5位显示。 可在利尔达MSP430F449开发板上直接实现功能。(However, temperature measurement procedure using the bus DS18B20 and LCD display, taking three decimal places effectively. Integral part of the two. A total of five shows. LSD MCU MSP430F449 on the development board can directly implement functionality.)

这是一个基于51单片机的光立方程序，可以实现多种LED显示功能(This is a light cube program based on 51 single chip microcomputer, can realize many kinds of LED display function )

关于凌阳16位单片机编程的pdf文档，里面包含了指令集和硬件说明(About Sunplus 16-bit single-chip programming pdf document, which contains the instruction set and hardware description)

IRIG_B码的实现产生和解码。毕业设计开题报告原件。(IRIG_B implementation code generation and decoding. Graduation Project.)

说明：  基于STM32的定时器的一些简单开发和应用(Simple development application of STM32)