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89s51_

于 2011-06-27 发布 文件大小:1811KB
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下载积分: 1 下载次数: 3

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  89s51的 详细中文介绍(Chinese description details 89s51)

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    该程序实现了对STC单片机的EEPROM的操作。每隔0.5秒钟,单片机对EEPROM进行一次 读、擦除和写操作,并把数值显示到数码管上。 确认试验是否成功:电源上电后,数码管的值在递增,观察值。关闭电源,待几秒后上电, 数码管显示的值会从断电钱的那个值开始显示(The program realized STC microcontroller EEPROM operation. Every 0.5 seconds, the microcontroller on the EEPROM once read, erase and write operations, and the value displayed on the digital tube. Confirmatory test is successful: power-up, the digital value in increments observations. Turn the power off after a few seconds until the power, digital display of the value of money off that value from the beginning to show)
    2010-12-26 01:44:15下载
    积分:1
  • 按键 步进电
    步进电机是将电脉冲信号转变为角位移或线位移的开环控制电机,是现代数字程序控制系统中的主要执行元件,应用极为广泛。。在非超载的情况下,电机的转速、停止的位置只取决于脉冲信号的频率和脉冲数,而不受负载变化的影响,当步进驱动器接收到一个脉冲信号,它就驱动步进电机按设定的方向转动一个固定的角度,称为“步距角”,它的旋转是以固定的角度一步一步运行的。可以通过控制脉冲个数来控制角位移量,从而达到准确定位的目的;同时可以通过控制脉冲频率来控制电机转动的速度和加速度,从而达到调速的目的。(Stepper motor is an open loop control motor which transforms electrical pulse signal into angular displacement or linear displacement. It is the main executive element in modern digital control system, and is widely applied. In the case of non overloaded, the motor speed and stop position depends only on the pulse frequency and pulse number, regardless of load changes, when the stepper driver receives a pulse signal, it drives stepper motor to set the direction of rotation of a fixed angle, called "step", it is the rotation of the fixed point of the operation step by step. We can control the angular displacement by controlling the number of pulses, so as to achieve the goal of accurate positioning. At the same time, we can control the speed and acceleration of motor rotation by controlling the pulse frequency, so as to achieve the purpose of speed regulation.)
    2018-01-29 13:24:17下载
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    2013-11-21 15:17:25下载
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  • liushuideng
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    2014-12-04 20:31:35下载
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    本代码是基于检测遥控飞机手柄输出的PWM信号频率,转换为角度信息,再作为步进电机移动输入量,最终实现使用遥控飞机手柄摇杆精确控制步进电机转动角度的目的,包含PWM频率检测模块和步进电机驱动模块等。(This code is PWM frequency signal detection based on the output of the remote control aircraft converted to handle, angle information, and then as the stepper motor movement input, and ultimately use the remote control aircraft joystick handle precise control of stepper motor rotation angle, including PWM frequency detection module and stepper motor drive module.)
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    基于PROTEUS的推箱子游戏,基于51单片机,C语言编程(Game based on the Sokoban with PROTEUS to simulate, based on 51 single chip, C language programming)
    2011-04-19 20:57:41下载
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    2014-09-26 20:52:18下载
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