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 ...
One Raspberry Pi often leads to another. Soon enough, you’re running out of spots in your free RealVNC account for your tiny boards and “real” computers. Even if you go the hardened route of SSH or an ...
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