Affiliation:
1. China University of Geosciences
Abstract
This paper presents a digital compass based on the chip LSM303DLH. This set of equipment has many advantages- smaller size, fewer cost, better display and friendlier user interface. The design of the hardware in the system consists of battery charging circuit based on TP4056, data acquisition circuit based on 3-axis accelerometer and 3-axis magnetometer LSM303DLH, OLED display circuit and master control circuit based on high speed MCU C8051F321. The software contains circuit control code, data fusion code and the upper computer software. In addition, the software code mainly depends on C language and C++. Finally, it accomplishes a kind of digital compass which can be powered by battery and uploads the data to the computer.
Publisher
Trans Tech Publications, Ltd.
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1 articles.
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