1.2

说明：  测试环境当前温度，用DS18b20传感器显示在lcd1602上(turnover temperature)

Keil μVision3的快速入门，使用步骤，适合学习单片机的初学者使用(Keil μVision3)

基于ARM Cortex-M4F(TM4C123)单片机 ，编程控制TM4C123微控制器的RTC 模块，实现一个简易的数字时钟，具有多种功能 ?【功能】 ?（1）UART输出当前时间信息，UART可设置日期和时间，设置方法自定； ?（2）可通过UART 设置/查询闹钟，定闹时间到，从UART输出提醒； ?（3）在液晶屏上显示日期和时间信息（中文）； ?（4）可使用实验板上的K1-K4按键修改日期和时间，设置方法自定； ?注：该题依赖于“3”，需先完成“3”才可做该题 ?（5）农历功能，农历自动跟踪阳历的变化； ?（6）24节气功能(Based on ARM Cortex-M4F (TM4C123) MCU, the RTC module of TM4C123 microcontroller is programmed and controlled to realize a simple digital clock, which has many functions. (function) (1) UART output the current time information, UART can set the date and time, set the method to set itself. (2) the alarm clock can be set / inquired by UART, and the time is up until UART is output. (3) display date and time information on LCD screen (Chinese); (4) you can use the K1-K4 button on the experiment board to change the date and time, and set the method to set it. Note: the question depends on "3", and it is necessary to finish "3" first. (5) the function of the lunar calendar, and the lunar calendar automatically tracks the changes of the solar calendar. (6) the function of 24 throttle)

contador com 8051, carrega os timers com a contagem

PIC16F877单片机硬件IIC编程(PIC16F877 microcontroller programming hardware IIC)

说明：  RTD2660 source code failed

$regfile = M8DEF.dat internal crystal 8000000 Config Lcdpin = Pin , Db4 = Portc.1 , Db5 = Portc.2 , Db6 = Portc.3 , Db7 = _ Portc.4 , E = Portd.2 , Rs = Portd.3 Config Lcd = 16 * 2 Config Timer1 = Counter , Edge = Rising Ddrb.1 = 0 : Portb.1 = 1 PULL UP RESISTOR ACTIVATED Config Timer0 = Timer , Prescale = 1024 Enable Counter1 Enable Interrupts Enable Timer0 Enable Timer1 On Ovf1 Pulsecount On Ovf0 Ovf0occures Dim A As Long , I As Long , B As Byte B = 0 Cls Start Timer0 Do Loop End end program Ovf0occures: Incr I If I > 30 Then Stop Timer0 Cls : Home A = B * 65536 A = A + Counter1 Lcd FREQ IS : A HZ B = 0 I = 0 : Counter1 = 0 Start Timer0 End If Return Pulsecount: Incr B Counter1 = 0 Return

电力电子技术课程设计作业，降压斩波电路的设计。内含matlab仿真。(Power electronics technology curriculum design work, the design of the step-down chopper circuit. Embedded matlab simulation.)

用于单片机键盘扩展,由于单片机的扩展接口少,而采用这种方法 的,8155用于扩展,(SCM keyboard for expansion, the expansion of microcontroller interface small, and the use of this method. 8155 for the expansion,)

随着可持续发展理念的深入，风力发电作为可再生能源得到了快速的发 展。风力发电系统的仿真在风力发电系统分析，发电量分析和电网的能量的 分析中都起到了非常重要的作用。 本文应用 MATLAB 软件，对风速、风轮、传动机构、发电机、与风力发 电相关的电力电子系统建立了数学模型，并进行仿真进方面的研究，得到了 可供分析的仿真结果。介绍了风力发电机组的控制技术，主要是变桨距控制 和发电机变速控制，并利用 MATLAB 软件对变桨距控制系统和低于额定风速 和高于额定风速时的变速风力发电系统进行了仿真。对双馈发电机的解耦控 制进行了仿真。并列举了典型的风力发电系统仿真实例。 (With the wild spread of concept of continuable development ， wind power generation, as a renewable resource, is getting fast development. The simulation of wind power system play a important role in yield of analysis of wind power generation system, the quantity of wind power generation , power generation system. This paper establish wind model, the wind turbine rotor model, drive trains model, induction machine model ， the electric power electron parts of wind power generation model, Then using soft of MATLAB, we realize the simulation. It introduces the control technology of wind turbine, mainly including variable blade pitch and variable speed control of wind turbine. Using Matlab simulate these. And lists an example of practical applying.)