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AT89S51单片机试验及实践教程之电子琴
- 电子琴 1． 实验任务 1． 由 4X4 组成 16 个按钮矩阵，设计成 16 个音。 2． 可随意弹奏想要表达的音乐。-a flower. An experimental tasks. Formed by the 4x4 matrix button 16, 16 designed to sound. 2. Free expression want to play the music.
AN_O0306_cn_V1.0
- 本系统应用于SUNPLUS SPMC65x series上，扫描4X4按键和4个数码管的动作与规格说明，提供的范例程序的硬件部分是以SPMC65P2404A*28p为开发对象。-the system used SUNPLUS SPMC65x series. 4 X4 scan button and four digital control movement and specifications. provide examples of procedures based on the hardwa
Key4x4_4LED
- 软件部分。本系统应用于SUNPLUS SPMC65x series上，扫描4X4按键和4个数码管的动作与规格说明，提供的范例程序的硬件部分是以SPMC65P2404A*28p为开发对象。-software. The system used SUNPLUS SPMC65x series. 4 X4 scan button and four digital control movement and specifications. provide examples of procedures base
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)
4X4keyboard
- 用一個C語言來測試4X4按鍵功能是否正常工作 -Language with a C function to test whether the 4X4 button to work
NewFolder
- 4X4 keypad using cpld wriitten in vhdl.when we press and button it will display key on 7 segment displa
4x4
- 4*4键盘算法，采用扫描法‘按键扫描程序 P1.0--P1.3为行线 P1.4--P1.7为列线-4* 4 keyboard algorithm, using scanning method "button P1.0 program P1.3- to scan lines P1.4 P1.7-- for the column
4X4-KeyBoard
- 用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-Parallel port P1 with AT89S51 4 × 4 matrix keyboard connected to P1.0-P1.3 as input lines to P1.4-P1.7 as an output line in the digital display for each button on the " 0-F
Scan-button
- 利用C51编写4X4矩阵键盘扫描程序，在PROTUES中进行仿真，随着按键的不同，P2口的数据指示按键值。-Prepared using C51 4X4 matrix keyboard scanner, in PROTUES the simulation, with the key difference, P2, the data indicate key value.
LCD1602
- 4x4按键，lcd104显示程序，适用于1602系列，下载时请看清，-4x4 button, lcd12864 display program for JRM series, download, please see,
project
- 基于51单片机的红外线防盗报警器的发射部分代码。4x4按键用于输入密码，并用语音芯片可发出声音提示，lcd1602用于显示-51 microcontroller-based infrared anti-theft alarm transmitter code. 4x4 button to enter a password, and sound prompts with voice chip is used to display lcd1602
4X4
- 对多键控制，可嵌入任何程序，程序简单，易读易懂。-Multi-button control can be embedded in any program, the program is simple and easy to read and easy to understand.
4x4-keyboard_disp
- 编写程序完成以下功能，当按下4*4键盘区按键时，在数码管上显示实验板上标记的相应数字或字母。-Write a program to perform the following functions, when the 4* 4 keyboard zone button is pressed, the digital display numbers or letters corresponding experimental board marked.
VB-control-4X4-control-system
- 4X4键盘控制 按软件上的按钮 实验板数码管显示对应的数字 按实验板上的按键 软件对应的显示所按按键编码-4X4 keypad control button on the software test board digital tube display the number that corresponds to the corresponding keys on the software by experimental key coding
4X4-The-ranks-of-the-keyboard-
- 利用按键扫描原理，实现多个按键八位串口的控制，通过lcd1602显示-Button scanning principle, the control of multiple keys eight serial lcd1602
4x4
- at89c51上的4x4按键 proteus仿真+程序源码 是学习单片机的好例子-the at89c51 4x4 button on the proteus simulation the+ program source of learning microcontroller good example
Pushing-Button-program-of-4X4-
- 单片机c语言关于4X4按键程序,由P1端口的高4位和低4位构成4X4的矩阵键盘-Pushing Button program of 4X4 using C51
Capacitive Key bOard
- Capacitive keyboard, 4x4 button
4x4按键
- 4X4按键程序，是比较常用到的程序，供大家参考使用(4X4 button program, is more commonly used procedures for your reference)