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单片机编程  基于单片机的数字化B超键盘设计

针对目前使用的RS232接口数字化B超键盘存在PC主机启动时不能设置BIOS，提出一种PS2键盘的设计方法。基于W78E052D单片机，采用8通道串行A/D转换器设计了8个TGC电位器信息采集电路，电位器位置信息以键盘扫描码序列形式发送，正交编码器信号通过XC9536XL转换为单片机可接收的中断信号，软件接收到中断信息后等效处理成按键。 ...

https://www.eeworm.com/dl/502/29118.html

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单片机编程  基于C8051F020和Zigbee的汽车测试系统设计

以C8051F020为核心处理器，设计无线传感器网络数据采集系统。系统采用SZ05-ADV型无线通讯模块组建Zigbee无线网络，结合嵌入式系统的软硬件技术，完成终端节点的8路传感器信号的数据采集。现场8路信号通过前端处理后，分别送入C8051F020的12位A/D转换器进行转换。经过精确处理、存储后的现场数据，通过Zigbee无线网络传送到 ...

https://www.eeworm.com/dl/502/29162.html

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单片机编程  基于ATmega48单片机的可调交流电子负载的设计

介绍一种无极可调交流电子负载设计的新方法，由ATmega48单片机输出PWM波，通过上位机设定不同的占空比控制场效应管的通断时间，即改变流过场效应管的平均电流。根据电流的大小，可以等效为相应的负载，并将采集的电流值显示在上位机上。文中对该系统的软﹑硬件设计思路作了详细的分析，阐述了其设计原理。 &nbsp; Abstract ...

https://www.eeworm.com/dl/502/29312.html

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单片机编程  基于P87LPC764单片机的延时漏电继电器设计

介绍以P87LPC764型单片机为核心的延时型漏电继电器设计方案。该方案可供用户选择实现额定动作电流和5倍额定动作电流下不同的延时动作时间，并有重合闸设定选择功能。解决了以往传统分立元件带来的延时时间离散性大且不易实现的弊端。 Abstract: &nbsp;In this paper, the delay leakage relay based on P87LPC764 is int ...

https://www.eeworm.com/dl/502/29344.html

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单片机编程  PCF8578 LCD图形点阵液晶驱动器芯片简介及封装库

The PCF8578 is a low power CMOS1 LCD row and column driver, designed to drive dotmatrix graphic displays at multiplex rates of 1:8, 1:16, 1:24 or 1:32. The device has40 outputs, of which 24 are programmable and configurable for the following ratios ofrows/columns: 32¤8, 24¤16, 16¤24 or 8¤32. The ...

https://www.eeworm.com/dl/502/29361.html

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单片机编程  PCF2116系列LCD驱动器芯片简介及封装库

1 FEATURES· Single chip LCD controller/driver· 1 or 2-line display of up to 24 characters per line, or2 or 4 lines of up to 12 characters per line· 5 ′ 7 character format plus cursor; 5 ′ 8 for kana(Japanese syllabary) and user defined symbols· On-chip:– generation of LCD supply voltage (exte ...

https://www.eeworm.com/dl/502/29370.html

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单片机编程  STM32启动代码

The bootloader is stored in the internal boot ROM memory (system memory) of STM32devices. It is programmed by ST during production. Its main task is to download theapplication program to the internal Flash memory through one of the available serialperipherals (USART, CAN, USB, etc.). A communication ...

https://www.eeworm.com/dl/502/29618.html

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单片机编程  FET430PIF自制资料

The MSP-FET430PIF is a Parallel Port interface (does not include target board) that is used to program and debug MSP430 FET tools and test boards through the JTAG interface. This interface is included in our FET tools, but sold without the development board. This interface uses a Parallel PC Port to ...

https://www.eeworm.com/dl/502/29899.html

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单片机编程  MPLAB C30用户指南(英文)

MPLAB C30用户指南(英文) HIGHLIGHTSThe information covered in this chapter is as follows:&#8226; About this Guide&#8226; Recommended Reading&#8226; Troubleshooting&#8226; The Microchip Web Site&#8226; Development Systems Customer Notification Service&#8226; Customer Support Document LayoutThe documen ...

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单片机编程  PICKIT™ 2 PROGRAMMER-TO-

PICKIT&#8482; 2 PROGRAMMER-TO-GO USER GUIDE The PICkit 2 Programmer-To-Go functionality allows a PIC MCU memory image to be downloaded into the PICkit 2 unit for later programming into a specific PIC MCU. No software or PC is required to program devices once the PICkit 2 unit is set up for Programmi ...

https://www.eeworm.com/dl/502/30389.html

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