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keypad
- it is a 8051 based security system. on preesing a particular code you can lock or unlock any device. 8051 is interfaced through 2*16 lcd and 3*4 keypad.
keypad
- keypad interface with pic
keypadinterface
- keil c code for 4*4 keypad interface with 8051 micro controller.
keypad_interface
- keypad interface with Arm7 controller
keypad
- working with 4*4 keypad
4_4_keystoke_LED
- PIC单片机 4*4键盘扫描，并带液晶显示器出扫描到的按键。-PIC Microcontroller 4* 4 keypad scanning, and bring to the LCD display out the scan button.
phone
- 电话拨号叫解码，可以发出不同频率的电话按键音，每一个按键对应一个频率的声音-Telephone dial-up is called decoding, may issue a different frequency tone telephone keypad, each button corresponds to a frequency of a sound
phone-keypad-detection-system
- 基于神经网络与ocv的手机键盘检测系统，能检测出场手机键盘上的错键和模糊键等。-Ocv based on neural network and the phones keypad detection system can detect cell phone played the wrong keys on the keyboard and fuzzy keys and so on.
keypad
- pic 单片机的键盘源代码 有助于本论坛成员互相学习只用-pic microcontroller keyboard source code will help the forum members learn from each other only
7_MKEY
- Atmega 16 AVR 单片机控制的矩阵键盘下位机程序。-Atmega 16 AVR microcontroller controls the lower position matrix keypad program.
4x4_juzhengjianpan
- 51单片机例程，4x4矩阵键盘实验(计算法)，有实验说明文档。-51 MCU routine, 4x4 matrix keypad test (calculation), there is experimental documentation.
PASSWORD
- 通过单片机制作密码锁，通过4*4按键输入密码，并由1602液晶显示、提示用户输入密码的情况-By Microcontroller lock with 4* 4 keypad enter the password, by 1602 LCD prompts the user for a password
juzhengjianpan
- 4X4矩阵键盘(查表法)，4x4矩阵键盘实验(计算法)，51单片机例程，带有实验说明文档。-4X4 matrix keypad (look-up table), 4x4 matrix keypad test (calculation method), 51 MCU routine, with the experimental documentation.
stm32V1_2
- 这是我自已为实验室画的基于STM32的PCB，现在将原理图及PCB全部分享，图是用PROTEL 99SE绘制的。可能会有布线不合理之处，仅供大家参考。 实验板资源介绍 1）CPU为100脚STM32F103XX 2）TFTLCD 3）SD卡 4）4X4键盘模块及四个独立按键 5）ISP下载口及20脚JTAG下载口 6）RS232接口、RS485接口、PS/2接口、USB接口 7）I/O口驱动的蜂鸣器 8）I2C口驱动的AT24C02 9）
1602
- 1602手机键盘工作过程和LCD显示 可以设置按键和显示键盘-1602 mobile phone keypad and LCD display the working process and display the keyboard keys can be set
44key
- 用4x4矩阵键盘输入，用液晶显示输入的数字-With a 4x4 matrix keypad input, digital input with LCD display
matrix_keypad
- this controls a 4x4 keypad for avr microcontrollers. simple to use
DS12887
- ds12887，运用51单片机知识设计一个可以随意调节时间、带整点闹铃的时钟。（其中用到定时器、中断、按键、蜂鸣器、数码管或串口通信）-ds12887, using 51 single-chip expertise to design an adjustable time, with the whole point of the alarm clock. (Which use timers, interrupts, keypad, buzzer, digital control, or seri
scankey
- 利用c8051F020单片机扫描3*4矩阵按键,返回按相应的按键字符:0x11,0x21,0x41,0x12.....0x48,对返回值重新定义后, 在LED上显示出来. -SCM scan using c8051F020 3* 4 matrix keypad, press the appropriate button to return characters: 0x11, 0x21, 0x41, 0x12 ..... 0x48, on the return value is re-define
4X4
- 4X4矩阵键盘(查表法)，51单片机，用C编程。-4X4 matrix keypad (look-up table method), 51, with C programming.