Temperature and humidity measurement using an off-the-shelf MEMS sensor: Beyond arduino's playground
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Institute of Electrical and Electronics Engineers (IEEE)
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In this work an off-the-shelf, modern, integrated temperature, pressure and humidity sensor was interfaced to a PIC18F4550, a popular 8-bit microcontroller. A bit-banging SPI protocol was implemented. The SPI clock was set to 10-kHz to allow for relatively long distance between the microcontroller's board and the sensor's board. Temperature and humidity data stemming from two BME280 sensors were compared with data supplied by a commercial handheld temperature and humidity measuring instrument.
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INSCIT 2021 - 5th International Symposium on Instrumentation Systems, Circuits and Transducers.
