搜索资源列表
pwmmcu
- 本设计以AT89C51单片机为核心,以4*4矩阵键盘做为输入达到控制直流电机的启停、速度和方向,完成了基本要求和发挥部分的要求 -The AT89C51 single-chip design as the core, 4* 4 matrix keyboard as input to control DC motor start and stop, the speed and direction, completed the basic requirements and the requireme
keyboard
- 有创新的4*4矩阵键盘,只用两个switch搞定,学单片机的朋友可以分享一下。-Innovation has 4* 4 matrix keyboard, switch to get only two, single-chip friends can learn to share.
key
- 用51单片机做的4*4矩阵键盘电路板,有串口接口,可供其他电路系统扩展用。-51 Singlechip to do with the 4* 4 matrix keyboard circuit board, there is the serial interface, for other expansion circuit system used.
keyboard
- 这是51单片机驱动键盘的源码。采用4*4矩阵键盘。-This is 51 single-chip source-driven keyboard. Using 4* 4 matrix keyboard.
anjian
- 4*4矩阵键盘按键显示按键值,并循环移位,-4* 4 Matrix keyboard button shows button value, and cyclic shift
jianpansshibie
- 4×4矩阵键盘识别处理,键盘处理程序的任务是:确定有无键按下,判断哪一个键按下,键的功能是什么;还要消除按键在闭合或断开时的抖动。两个并行口中,一个输出扫描码,使按键逐行动态接地,另一个并行口输入按键状态,由行扫描值和回馈信号共同形成键编码而识别按键,通过软件查表,查出该键的功能。 -4 × 4 matrix keyboard recognition processing, the keyboard handler task is: to determine whether
4matrixkeyboard
- AT89S51的并行口P1接4×4矩阵键盘,以P1.0-P1.3作输入线,以P1.4-P1.7作输出线;在数码管上显示每个按键的“0-F”序号。-AT89S51 the parallel port P1 then 4 × 4 matrix keyboard to P1.0-P1.3 as input lines to P1.4-P1.7 for output line in the digital control button displayed on each of the " 0-
44
- 单片机4*4矩阵按键,运用查表法来对矩阵键盘进行查找-4* 4 matrix of single-chip keys, the use of look-up table method to find matrix keyboard
Untitled
- 4×4矩阵键盘检测,实现键盘检测,当有按键按下时,数码管显示相应数值(0~F)-4 × 4 matrix keyboard detection, detection of the realization of the keyboard, when button is depressed, the digital display the corresponding value (0 ~ F)
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
jsq
- 单片机液晶秒表计算器完整修改版本 可以实现两种功能的切换,其他功能自行对照代码研究。4*4矩阵键盘,第一排前三列是实现小时\分钟\秒的加.第二排前三列是实现小时\分钟\秒的减.当然还可以通过设置矩阵键盘的键值,来实现加\减\乘\除四则运算,由数码管显示参与运算的数字以及最终的运算结果-Single-chip LCD calculator stopwatch can complete a modified version of the switch to achieve two func
1
- 4×4矩阵式键盘识别技术 (1.4×4矩阵键盘识别处理 (2.每个按键有它的行值和列值 ,行值和列值的组合就是识别这个按键的编码。矩阵的行线和列线分别通过两并行接口和CPU通信。每个按键的状态同样需变成数字量“0”和“1”,开关的一端(列线)通过电阻接VCC,而接地是通过程序输出数字“0”实现的。键盘处理程序的任务是:确定有无键按下,判断哪一个键按下,键的功能是什么;还要消除按键在闭合或断开时的抖动。两个并行口中,一个输出扫描码,使按键逐行动态接地,另一个并行口输入按键状态,由
jpsb
- 4*4矩阵键盘识别程序,完整!试试看!应该没问题!-4* 4 matrix keyboard recognition program, complete! Give it a try!
cal4X
- proteus +51 计算器支持普通的加减乘除四则运算功能....用4X 4中断矩阵键盘...有兴趣的可以参考一下 -proteus+51
juzhenjianpan
- 4*4矩阵键盘的源代码, -4* 4 matrix keyboard source code, 4* 4 matrix keyboard source code,
display
- 对4*4矩阵键盘扫面,并将按键显示在数码管上。 简单实用,可以作为小程序收藏。-4* 4 matrix keyboard scanning and show the keys on the digital display. Simple and practical, a collection of small programs.
dianji
- 本设计以AT89C51单片机为核心,以4*4矩阵键盘做为输入达到控制直流电机的启停、速度和方向,完成了基本要求和发挥部分的要求-The AT89C51 single-chip design as the core, 4* 4 matrix keyboard input as a DC motor to control the start and stop, speed and direction, completed the basic requirements and the requirem
dianziqin
- 用飞思卡尔GP32单片机实现的电子琴,用4*4矩阵键盘,定义重键,实现具有高中低三种音调。带有LCD1602显示音调和按键。-GP32 with Freescale MCU organ, with 4* 4 matrix keyboard, the definition of re-key, low-achieving high school in three tones. LCD1602 display with tone and key.
kexiugaisj
- 51单片机小程序,P0.0-P0.3外接7447七段数码段选,P0.4-P0.6外接7438为七段数码管位选,P2口为4*4矩阵键盘第十号键为修改小时,第十一号键为修改分钟,其它每一行对号入座-51 SCM applet, P0.0-P0.3 external digital seventh paragraph 7447 election, P0.4-P0.6 external 7438-bit digital tube for the seventh election, P2 mouth fo
4
- 实现4x4矩阵键盘显示~~~~~~~~~~`-4x4 keypad matrix display to achieve ~~~~~~~~~~`