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Разработка микроконтроллерного датчика параметров окружающей среды

выпускная квалификационная работа бакалавра

Разработка микроконтроллерного датчика параметров окружающей среды

Abstract

Данная выпускная квалификационная работа посвящена разработке микроконтроллерного датчика параметров окружающей среды на основе микросхемы BME680, измеряющего такие климатические показатели как температура, относительная влажность, атмосферное давление и содержание летучих органических соединений в воздухе. Определена область применения спроектированного устройства: датчик может использоваться для измерения микроклимата в производственных помещениях, в лабораториях высокоточных измерений, в составе системы «Умный дом» и др. Изучены количественные значения параметров окружающей среды для контроля условий труда. Составлена структурная схема и подробно описаны основные особенности элементов: четыре сенсора микросхемы ВМЕ680, где особый интересен про-явлен к оценке качества воздуха; режимы работы микроконтроллера STM32L431CCT6 со сверхмалым энергопотреблением; архитектура модуля беспроводной связи по технологии LoRa SX1276. Рассмотрен принцип действия сетевого последовательного интерфейса обмена данными I2C. Разработка принципиальной схемы осуществлялась в веб-среде EsyaEDA. Там же вручную выполнена трассировка печатной платы. Разведенный датчик готов к изготовлению и пайке отдельных элементов. Проведен анализ полученных результатов.

This final qualification work is devoted to the development of a micro-controller environmental sensor based on the BME680 chip, which measures such climatic indicators as temperature, relative humidity, atmospheric pressure, and the content of volatile organic compounds in the air. The scope of the designed device was determined: the sensor can be used to measure microclimate in industrial prem-ises, in high-precision measurement laboratories, as part of the Smart Home sys-tem, etc. Quantitative values of environmental parameters for monitoring working conditions were studied. A structural diagram is compiled and the main features of the elements are described in detail: four sensors of the BME680 microcircuit, where particular interest is shown in assessing air quality; STM32L431CCT6 mi-crocontroller operating modes with ultra-low power consumption; LoRa SX1276 wireless module architecture. The principle of operation of the network serial inter-face of the I2C data exchange is considered. The concept was developed in the EsyaEDA web environment. A PCB trace was also manually made there. The dilut-ed sensor is ready for the manufacture and soldering of individual elements. The analysis of the results obtained.

Keywords

датчик параметров окружающей среды, printed circuit board, микроконтроллер stm32l431cct6, sx1276, sensor development, печатная плата, principal diagram, структурная ÑÑ ÐµÐ¼Ð°, принципиальная ÑÑ ÐµÐ¼Ð°, i2c, easyaeda, microcontroller stm32l431cct6, esyaeda, structural diagram, bme680, разработка датчика, environmental sensor, lora

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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