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

kmz52.pdf

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