资源列表
pwm
- 利用定时器产生PWM,了解原理和使用方法 硬件要求:直流电机 定时器 试验现象:按键调速,PWM部分显示速度档位,电机根据档位调节速度 这个需要把电机驱动输入端和PWM端连接起来-Generated using the timer PWM, understand and use principles of hardware requirements: DC timer test phenomenon: key speed, PWM part of the display speed ge
dianzizhong
- 1 脚接+5V 2,3脚32768HZ晶振 4脚接地 5脚接S51的P02 6脚接S51的P01 7接S51的P00 8脚接后备电源,可以接老计算机主板上的3.6V电池,也可以通过二级管隔离接一个大容量电解电容 电压在2.5V以上即可维持 按键说明:1. 共三个键,低电平有效 2. P04 和 P05 同时按:初始化 3. P06 端口按键:选择要调整的项目 4. P05 端口按键:增加;P04端口按键:减少 [注:AT89S51使用12M晶振]-A pi
fengmingqi5.18
- 用89C51玩蜂鸣,利用单片机的I/O引脚以延时方式产生方波,进而使蜂鸣器发声。注意当中用了P2_7做开关,下载完成后还需要按下这个键才能发声-Play beep with 89C51, using MCU I/O pins to produce a square wave delay means, and thus make the buzzer sound. Note which took P2_7 do switch, the download is complete press the
jianpanduogengneng
- 使用一个开关键K1作为输入信号,控制P1输出端的8个LED,实现4种变化效果,简称一键多功能控制-Use a open key K1 as the input signal, the control output 8 P1 LED, 4 changes to achieve results, referred to as a key multi-function control
clock
- 使用c和汇编语言,在C61单片机实现的语音电子钟。-Using c and assembly language, the voice in the C61 MCU clock.
jiuhuchechesheng
- 通过软件延时,使P3.4引脚输出两种信号,1kHz和2kHz频率,并且每隔一秒变化一次,交替进行。开关K做发声控制。-Software delay to P3.4 pin output two signals, 1kHz and 2kHz frequency, and changes every second time, alternately. Voice control switch K to do.
ww
- 用c和汇编编写的,在c61单片机上实现录放音功能。-With c and compilation prepared in c61 microcontroller to achieve sound recording function.
anjiankaiguanxianshideng
- 功能说明,计算按钮开关被按下的次数,次数由8个LED灯显示。89C51,keil编程,调试可用-Function to calculate the number of times the button switch is pressed, the number of LED light show from the 8. 89C51, keil programming, debugging can be
anjianxianshi
- 按键加1数码管显示,51单片机例子,带有实验说明文档。-Buttons plus a digital display, 51 MCU example, with the experimental documentation.
shuangxiangwenkong
- PC与单片机双向通讯智能温控程序,带有详细说明。-PC and MCU intelligent temperature control two-way communication process, with detailed instructions.
yaokongjiema
- VB遥控播放器红外遥控解码,带有实验说明。-VB player remote control infrared remote control decoding with experiment.
music
- 单片机 控制 播放 音乐,51单片机 例子。-SCM control to play music, 51 MCU example.
