文件名称:kmz52
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电子指南针设计与实现
摘 要
早期的指南针采用了磁化指针和方位盘的组合方式，整个指南针从精度、指示灵敏度、使用寿命上都有一定不足。本系统采用专用的磁场传感器结合高速微控制器（MCU）的电子指南针能有效解决这些问题。
系统采用了磁阻（GMR）传感器采集某一方向磁场强度后通过MCU控制器对其进行处理并显示上传，通过对电子指南针硬件电路和软件程序的分析，阐述了电子指南针基本的工作原理及实现。能够在LCD上根据当前位置显示方位。
关键词：电子指南针；GMR；MCU；LCD
-ABSTRACT
Since the early use of a magnetic compass and direction-pointer of the composition, the entire compass from scratch, on the instructions of a certain sensitivity of the defect. Using a dedicated high-speed magnetic sensors with microcontroller (MCU) electronic compass can effectively solve these problems.
The system is designed by the reluctance (GMR) sensors collecting a certain direction through the magnetic field strength after the MCU Controller its judgement will be dealt with the results, through the LCD screen display and can be sent to the MCU s top serial Machine. in the LCD display on the current position of the keyboard and through selective compass upload the data processing.
Key words: electronic compass GMR MCU LCD
摘 要
早期的指南针采用了磁化指针和方位盘的组合方式，整个指南针从精度、指示灵敏度、使用寿命上都有一定不足。本系统采用专用的磁场传感器结合高速微控制器（MCU）的电子指南针能有效解决这些问题。
系统采用了磁阻（GMR）传感器采集某一方向磁场强度后通过MCU控制器对其进行处理并显示上传，通过对电子指南针硬件电路和软件程序的分析，阐述了电子指南针基本的工作原理及实现。能够在LCD上根据当前位置显示方位。
关键词：电子指南针；GMR；MCU；LCD
-ABSTRACT
Since the early use of a magnetic compass and direction-pointer of the composition, the entire compass from scratch, on the instructions of a certain sensitivity of the defect. Using a dedicated high-speed magnetic sensors with microcontroller (MCU) electronic compass can effectively solve these problems.
The system is designed by the reluctance (GMR) sensors collecting a certain direction through the magnetic field strength after the MCU Controller its judgement will be dealt with the results, through the LCD screen display and can be sent to the MCU s top serial Machine. in the LCD display on the current position of the keyboard and through selective compass upload the data processing.
Key words: electronic compass GMR MCU LCD
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