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 ...
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 ...
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 ...
What if you could carry the entirety of Wikipedia in your pocket, ready to access without a single bar of Wi-Fi or a hint of cellular signal? Picture a remote classroom in a rural village, a disaster ...
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