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Keyboard
- 设计采用P3口作为扫描键盘接口，P1.0口作为输出，P1口低4位接4X4矩阵键盘的列，高4位接行。 CPU工作在查询方式下并开放中断，且将定时器T1设为最高优先级。当程序扫描到按键时调用延时防抖后再次扫描并判断键值，并转入相应的按键处理子程序，在子程序中向定时器装入初值并启动其工作，当定时器溢出时向CPU申请中断，CPU响应中断后转入中断子程序，输出预定频率的方波并送到音频放大模块进行放大输出。 -Design uses a scanning keyboard interface por
PASSWORD
- 1602+24C08+4X4键盘密码锁** 0 ** 1 **2 ** 3** ** 4** 5** 6 **7 ** **8** 9** 确认（A） **未定义（B） **取消（C）**修改密码键（D）**确认修改键（E）**未定义（F）-1602+24 C08+4 X4 keyboard lock** 0** 1** 2** 3**** 4** 5** 6** 7** 8** 9**** confirmation (A)** undefined (B)** Cancel (C)
4X4jianpanshuru
- 没什么好说的，一般4X4大小键盘输入程序。-To say nothing of, 4X4 size keyboard input procedures.
4X4anjian
- 4X4矩阵键盘，横竖两种编码。8051单片机-4X4 matrix keyboard, two横竖coding. 8051
matrix_keypad
- universal routine for 4X4 matrix keyboard
keyboard
- 键盘，有很多种，有ps2键盘，4x4键盘，还有zlg7289的8xx键盘。这是4x4键盘。-Keyboard, there are many, there are ps2 keyboard, 4x4 keypad, as well as zlg7289 the 8xx keyboard. This is a 4x4 keypad.
ps2keyboard
- 键盘有很多种，有4x4键盘，有ps2键盘等等。这是个ps2 键盘的输入，同时显示键盘的输入值-There are a variety of keyboards, with 4x4 keyboard, a ps2 keyboard and so on. This is a ps2 keyboard input, keyboard input values displayed simultaneously
4x4keyboard
- 本代码实现了使用按钮构造4x4键盘的功能。 可供参考-This code is implemented using the button to construct 4x4 keyboard functions. Reference
4x4key
- 4x4键盘 按键程序 经典版 单片机控制-Classic 4x4 keyboard keys MCU program
44KEY
- 4X4键盘程序，是初学者的好帮手，已调试，效果很明显，趣味性强，-4X4 Keyboard Program, is a good helper for beginners, has been commissioning, the effect is clear, interesting,
tlv5618--4x4
- 用4x4键盘控制tlv5618输出，并用430x149内部AD对外部进行两路采集12864显示-4x4 keyboard control tlv5618 output, and two collected 12864 430x149 internal AD for external
4x4
- 8051单片机输入键盘，4*4矩阵键盘，-8051 input keyboard, 4* 4 matrix keyboard
4x4-key
- 4*4键盘小程序 两种算法内附检查LED-4* 4 keyboard applet containing two algorithms check the LED
4x4-keyboard-display
- 4*4键盘显示 51单片机4*4键盘得显示功能-4*4 keyboard display
keyscan
- 4x4键盘的FPGA实现，包含阵列扫描和防误按消抖-4x4 keyboard FPGA, contains an array of scanning and anti mistakenly press debounce
read_44keyboard
- FPGA实验箱上4x4键盘扫描程序，行与列各组成4位代码，低电位为按下，高电位为未按下。-On FPGA experimental box 4x4 keyboard scanning procedures, the rows and columns each consisting of 4-digit code, press the low potential and high potential for the next pressed.
44key
- 用于解析密码锁4X4键盘,方便单片机解析4X4键盘-For the analysis of the password lock 4X4 keyboard, convenient single chip 4X4 keyboard analysis
3 计算器4x4矩阵键盘
- 简易计算器，利用4乘4矩阵键盘，51单片机在LED显示屏上实现简易计算器功能(Based on the 4 x 4 matrix keyboard, 51 microcontroller simple calculator functions on the LED display)
STM32key4x4Interrupt-Mode
- 基于STM32的矩阵键盘程序，采用中断方式书写，可以直接使用(STM32 matrix keyboard program)
4x4 Keypad
- 用Verilog实现的4*4键盘扫码程序，在quartus平台实现。(Use Verilog implementation of 4 * 4 keyboard scan code program, realized in quartus platform.)