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Automatic landing system can be remote control led bannerd
- 全自动可遥控旗帜升降系统以AVR单片机为核心,由PWM对电机进行变频调速,高精度光电编码器测速,闭环式电路控制。能够利用按键输入相应的指令控制旗帜的升降,还可以实现在特定位置停留的功能。利用LCD可以显示旗帜的实时高度和相应的控制命令,用LED指示旗帜是否处于半旗状态,具有语音提示报警功能,并可利用无线模块实现遥控功能,准确均匀地实现旗帜的升降-Automatic landing system can be remote-controlled flag to AVR microcontrolle
moto
- 键盘控制直流电机正、反转程序,P2.2至P2.6接5个对地键,作为:顺时针、逆时针、停止、加速和减速按键。 P1.0、P1.1接L298的IN1、IN2。P1.2接EN,也就是PWM输出口。 -Keyboard to control DC motor, reverse the process, P2.2 to P2.6 received five pairs of ground key as: clockwise, counterclockwise, stop, acceleration a
zsj2buzzer
- 修改S3C2410bios源程序。添加按键控制LED和按键控制蜂鸣器PWM程序-Modify the S3C2410bios source. Add button control PWM control buzzer LED and button
123556
- LED调光灯 要求:用1个白光高亮LED灯为发光器件、5V电源供电,实现PWM方式的16级调光,采用3个按键进行开关和亮度调节,要求亮度设置存储到芯片。 -The LED dimming lights Requirements: a white bright LED lights for the light-emitting device, 5V power supply, 16 dimming PWM mode, 3 button switch and brightness adjus
PWM
- PWM方式控制发光二极管的亮度 说明: 按钮控制PWM输出,使P4.1的发光二极管(数码管的b段),由亮到灭分为8级控制,一个 按钮增加亮度,另外一个减少亮度,数码管显示亮度等级,P1.0 控制变亮,P1.1控制变暗. - PWM mode control the brightness of the light emitting diode Descr iption: button control PWM output, make P4.1 led (light emittin
The-PWM-to-control-lights
- 通过PWM控制LED亮度--The PWM_ button to control the brightness of the lights (changing the duty cycle)-By PWM control of LED brightness- of The the PWM_ Button to control the BRIGhtness of the Lights (changing the duty cycle)
PWM
- PWM方波程序适用于51单片机(按键可调) -PWM square wave procedures apply to the microcontroller 51 (button adjustable)