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Данная работа посвящена разработке устройства на основе микроконтроллера STM32F750 для измерения магнитного поля в трех осях, содержащего большое количество датчиков в целях достижения высокой точности. Проведен анализ современной элементной базы для измерения напряженности магнитного поля, выбраны оптимальные по необходимой чувствительности датчики, спроектирована печатная плата устройства с использованием 42 выбранных датчиков. В процессе проектирования изучены методы размещения компонентов поверхностного монтажа на плате, соединения сигнальных и питающих участков электрических цепей, заземления компонентов поверхностного монтажа.
This work is devoted to the development of a device based on the STM32F750 microcontroller for measuring the magnetic field in three axes, containing a large number of sensors in order to achieve high accuracy. The analysis of the modern element base for measuring the magnetic field strength was carried out, the sensors that were optimal in terms of the required sensitivity were selected, the printed circuit board of the device was designed using 42 selected sensors. During the design process, methods were studied for placing surface-mounted components on a board, connecting signal and power sections of electrical circuits, and grounding surface-mounted components.
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