TIMEROUT

说明：  假设P1.0口为发光二极管（共阴），其通过按键来控制是否开启(Suppose that the P1.0 port is a light emitting diode (common negative), which controls whether to turn on or not by pressing a button.)

说明：  这是我毕业设计作品，基于TC35的GSM超速报警系统。包括串口控制TC35，点阵LED驱动显示。(This is my graduation work, based on the GSM TC35 overspeed alarm system. Including the serial control TC35, dot matrix LED display driver.)

超声波浓度计 采用混合信号处理芯片c8051f021与12864与485芯片同时输出4-20mA电流(Ultrasonic densitometer mixed signal processing chips c8051f021 and 12864 and 485 chips while the output 4-20mA current)

本书是“国际电气工程先进技术译丛”之一，该书分14章，介绍了各种大功率变频器的拓扑结构及原理、传动系统的组成，以及与此相关的各种先进控制策略。书中还同时详细地给出了多个专题的相关技术背景。可作为学术研究、产品开发等专业技术人员或产品工程师参考。介绍了大功率变频器及中压交流传动的最新发展技术，包括各种大功率变频器拓扑结构、脉冲调制方法、先进控制策略以及工业产品设计经验。包括250多个图表，对所有的主要理论和控制方法都给出了计算机仿真结果和试验波形。对实际产品设计和工业应用中各种问题，书中也进行了介绍。(This book is one of the "international electrical engineering advanced technology translations", the book chapter 14 points, this paper introduces all kinds of high-power inverter topology and principle, the components of the drive system, and the related all kinds of advanced control strategy.Is also given in detail in the book more than one project related technical background.Can be used as an academic research, product development and other professional and technical personnel, or product engineer reference.High-power inverter are introduced and the latest development of medium voltage ac drive technology, including all kinds of high power converter topology, pulse modulation methods, advanced control strategy and industrial product design experience., including more than 250 chart for all the major theories and control methods are the computer simulation results and experiment waveforms are given.For all kinds of problems in the actual product design and industrial application, th)

说明：  keil5 k60固件库的按键扫描程序，为了方便大家学习，主要是方便以后查看 keil5 k60固件库的按键扫描程序，为了方便大家学习，主要是方便以后查看(keil5 k60Firmware Library)

说明：  基于stm32开发的频率检测及液晶显示，在显示时的测量范围为50hz到100khz。误差为

通过定时器控制pwm输出，进而控制电机舵机的转动。(The output of PWM is controlled by a timer, and then the rotation of the motor steering gear is controlled.)

一个LED灯带的程序，通过红外遥控器进行遥控，实现变色，七彩跳变等功能(LED lights with a procedure carried out by remote control infrared remote control to achieve color, colorful hopping function)

uart DMA接收任意长度数据，稳定可靠(UART DMA receives data of arbitrary length and is stable and reliable)

交通信号机两相位配时程序，可按键调配时。(Traffic signal machine two phase timing program, you can use the button to adjust the time.)