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使用Cy7c63001A做串口向USB键盘转换-use Cy7c63001A done to the USB keyboard serial conversion
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本文介绍了如何用AD识别用户输入的键盘的方法,较之点阵识别有其不可替代的优势;因为如果用4*4的话须消耗8个I/O口,而如果系统有AD功能的话就可能轻松解决了。
单片机8051F330发给ARM然后发给电脑。
其原理就是利用电阻的分压,按键时产生不同的电压,再用中断快速读取电压;然后对其进行编码,通过串口软件EASYARM在个人电脑里显示;经实验观察,效果还可以。 -This article describes how to use AD to identify the user s
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实现 ARM和计算机之间
串行通讯:
ARM监视串行口,将接收到的字符在液晶屏上显示出来。 (计算机向串口发送数据是通
过键盘来实现的)-ARM and the realization of serial communication between computers: ARM monitor serial port, will receive the characters in the LCD screen is displayed. (The computer sending
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serial communication between PC and PIC..keyboard input to LCD
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mega16单片机,实现了菜单显示,18b20温度采集,串口通讯和键盘操作的完整系统,本人小学期的成果-mega16 microcontroller to achieve the menu display, 18b20 temperature acquisition, serial communication and keyboard operation of the complete system, the results of Phase I Primary School
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芯片组(Chipset)是主板的核心组成部分,按照在主板上的排列位置的不同,通常分为北桥芯片和南桥芯片。北桥芯片提供对CPU的类型和主频、内存的类型和最大容量、ISA/PCI/AGP插槽、ECC纠错等支持。南桥芯片则提供对KBC(键盘控制器)、RTC(实时时钟控制器)、USB(通用串行总线)、Ultra DMA/33(66)EIDE数据传输方式和ACPI(高级能源管理)等的支持。其中北桥芯片起着主导性的作用,也称为主桥(Host Bridge)。 -Chipset (Chipset) is a
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一个简单的扫描键盘的程序,基于51单片机,可以通过串口把扫描到的键发送到pc机-A simple procedure for scanning the keyboard, based on 51 single-chip, can be scanned through the serial port to send to the pc machine keys
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此五个源代码是关于单片机应用的。依次为:串行通信中利用中断方式收发数据;矩阵键盘中逐行扫描法的应用;利用定时器T0查询方式控制P0口八位LED灯闪烁;利用定时器T0中断方式控制数码管动态显示0-999;利用外部中断计数并让数码管显示此数值。-Five of this source code on the microcontroller applications. As follows: serial communication send and receive data interrupt t
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pc机与51单片机之间实现串口通行,并将4*4键盘值送pc,pc送来的值在数码管上显示-pc and 51 between the microcontroller and serial passage, and 4* 4 keyboard value to send the pc, the pc values sent in digital tube display
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数控直流电源,以STC89C52单片机为核心,由D/A数字模拟转换模块、功率放大模块、校验模块、键盘、LCD串口显示模块等模块组成一个数控直流电源-CNC DC Power, microcontroller to STC89C52 as the core of the D/A digital to analog conversion module, the power amplifier module, check module, keyboard, LCD serial port the di
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Cypress FX2LP系列的USB 控制芯片 例如CYPRESS68013型号。 本例程实现了HID KEYBOARD的功能,通过I2C与外部数据通信。
主要处理在periph.c中的TD_POLL函数-Cypress FX2LP serial USB control chip. eg. CYPRESS68013 type。 this sample program use i2c interface to communincate with external keyboard, and
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51单片机键盘模块程序,整合了红外遥控源码,可以同时接收按键和红外控制,并用串口将消息发出-51 single keyboard module program, integrated infrared remote source, you can receive both buttons and infrared control, and use the serial port to send messages
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串口输入地址数据存入24c02矩阵键盘控制读取-Serial input address and data into the 24C02 matrix keyboard to control the reading
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键盘与串口驱动设计,编写程序完成键盘驱动,实现键盘扫描,及键值的显示,及七段数码管的显示-The keyboard with the serial port driver design, write a program to complete the keyboard driver, realize the keyboard scan, and, according to the key value of and seven segment digital tube display
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采用VERILOG的CPLD编程,通过ps2接收键盘数据,然后把接收到的字母A到Z键值转换相应的ASII码,通过串口发送到PC机上。
-Using VERILOG CPLD programming, through the PS2 receive keyboard data, and then receive the letters A to Z key transformation corresponding ASII code, through the serial port to se
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本系统以直流电压源为供电系统,采用增强型8051单片机即STC12C5A60S2单片机为主控制器,我们特别使用此单片机的NOKIA5110液晶显示部分和串口数据传输部分。通过键盘把所需要的字母和数字显示在液晶上,实际测试结果说明,本系统实现单片机与PS2标准键盘通信,读取键盘按键精确度高。-This system is a DC voltage source for the power supply system, with enhanced 8051 microcontroller-based
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IAR开发,stm8采集AD键盘键值,控制密码锁。stm8从wifi MT7681读取串口,更新密码。-The development of IAR, stm8 acquisition AD keyboard keys, password lock control. Stm8 the MT7681 WiFi to read the serial port, update the password.
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按下键盘按键,串口发送对应的键值
键盘中断,键盘扫描,键值识别,键值转换 -Press the keyboard keys, serial port to send the corresponding key
Keyboard interrupt, keyboard scanning, identification keys, key conversion
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