More often than not, an IoT master device uses the SPI (serial peripheral interface) and I 2 C (inter-integrated circuit) protocols to exchange data with EEPROMs or sensors that are operating in slave ...
PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...
Alan is a technology author based in Nova Scotia, Canada. A computer enthusiast since his youth, Alan stays current on what is new and what is next. With over 30 years of experience in computer, video ...
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