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Key4x4
- 单片机控制键盘的源代码,可以控制几行几列的按键输入,而今用很少的io口-Single-chip microcomputer to control the source code of the keyboard to control a few lines out of a few keystrokes, and now, with very little io I
ADchange
- 在控制单元的开关调整元件(T1)接通期间,能量流进贮能单元(C12)进行储能,当开关调整元件关断时,存储在电容里的能量通过滤波直接给负载供电,取样电路对输出电压进行取样,反馈到运放比较的输入端,运放电路将取样电压与PWM输出电压进行比较,比较之后输出一定脉宽给控制单元,控制开关调整元件的导通时间,从而控制储能输出,使输出值与预设值相等,减小误差。同时,通过取样电路对输出取样,送至单片机,经过内部模数转换,按键切换时,LED便可显示实际输出值-The switch in control unit
LED
- 最近买了块开发板学习单片机,以下是电路原理图。不明白上面的4×4矩阵键盘(电路图最左上角)的编码原理。键盘的8条引线直接与p1.0^p1.7相连,疑惑的是即使按下任意按键也在p1口上读不到任何电平啊? 期待高手指点!-Recently bought a development board to study single-chip block, the following is the circuit schematic. Do not understand the above 4 × 4 m
1602shizhong
- 用51单片机定时器做的1602显示时钟,可按键控制。很适合初学-51 do with the 1602 single-chip timer display clock, can be key to control. Very suitable for beginner
anjian
- 按键检测及译码处理。实验设备 1. PC计算机; 2. NEC全系列微控制器(单片机)开发工具EM/EZ-1系统 -Deal with detection and decoding keys. 1 Experimental equipment. PC computer 2. NEC full range of microcontrollers (single-chip) development tools EM/EZ-1 system
KEYDAC
- 这是单片机的按键显示和数模转换器调试程序,对于单片机的学习有很大帮助-This is a single-chip digital display and the keys debugger, for single-chip learning are very helpful
anjian
- 这个程序能对按键计数,并将结果显示到单片机的显示屏上!-This procedure can count on the button, and the results show that the SCM screen!
proj_16
- 按键控制继电器--工业控制实验 单片机-a
Readkey
- 通过单片机的模拟通道来处理按键的例程,读模拟通道的寄存器,用多次采样,求平均值的方法处理-Through the single-chip analog channels to deal with the routine buttons, reading the register analog channel, and multi-sampling, and the average approach
yuanma4
- 单片机开发板源码 适合初学者 第四部分 字符型LCD显示1-2,按键加减LCD1602,按键识别1-2-Single-chip source development board for beginners Part IV 1-2 character LCD display, plus or minus button LCD1602, identification keys 1-2
InterruptKeyboard
- 在这个实例中,模拟了按键唤醒功能。单片机通常在空闲的时候处于休眠状态,直到用户通过按键操作它时,才醒过来全速运行。另外此例讨论了编写键盘程序时的另一个重要问题:去抖动。 //硬件环境:ATmeg48 单片机,CPU时钟1MHz //软件环境:ICC AVR6.3以上-In this case, the simulation of the wake-up function keys. Single-chip idle time usually dormant until the user
123456
- 楼宇直按可视对讲门铃室系统软件设计及实现单片机软件主要完成门铃呼叫信号、摘挂机、按键检测及相应控制信号的输出,完成来人呼叫后及主动监视30s定时等功能。用MCS-51语言编写的程序如下: -buildings by direct visualization room intercom doorbell system software design and realization of complete single-chip software doorbell call sign, pick
16key
- 16*16键盘51单片机C语言扫描程序,数码管显示按键值-16*16key to mcu51
MSP-TEST44X-Practice-code
- MSP-TEST44X 学习板光盘资料及实验说明 本学习板是按照教育大纲,采纳国内外许多单片机实验仪的优点,保持了传统机的实验 项目,增加了以实用技术为主的许多实验。实验内容涉及到端口,时钟,FLASH 读写,看 门狗,硬件乘法器,TIMER_A_操作,TIMER_A ,ADC&bt&lcd,通讯操作(232,485, SPI),键盘操作(独立按键,行列按键),LED 显示,LCD 点阵操作,扩展 DATA FLASH 操作, EEPROM 共 1
xhj
- 用单片机实现的道路交通灯设计,有时间显示功能,和按键调节-traffic
SignalGen
- 单片机 实现智能信号发生器 通过按键来选择波形-Intelligent single-chip signal generator through the button to select the waveform
123456
- 单片机变频调速控制电动机,能实现按键和红外调速,有光电二极管指示-Single-chip VVVF motor control, to achieve speed control button and infrared, there are instructions photodiode
4.2press
- 用单片机实现按键连番功能 调整时钟 的分和秒 可以通过长时间按键实现连续快速调整-Repeated with MCU function button to adjust the clock by minutes, and seconds for a long time to achieve rapid adjustment button
chuankou
- 系统上电复位后,系统就处于等待状态,当K0到K7有按键动作时,单片机会将动作的按键号0到7串行发送到串并转换芯片74LS164中,芯片74LS164使74LS240驱动数码管显示按键所对应的按键号。-System power-on reset, the system in a wait state, when there are key K0 to K7 action, single-chip will be the key actions 0-7 serial number is sent t
qw
- 原创 单片机教学打铃控制器C语言 收藏. /* 湖南师范大学工学院课程设计 单片机教学打铃控制器 芯 片:AT89S52 晶 振:频率12MHz 按键说明: BellSet P1^0//时间设置 ... -Original single-chip controller Darlin teaching collection of C language.Institute of Technology, Hunan Normal University, teaching courses desig