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This cute DIY robot glares at you if your room's air quality is poor
Better keep your humidity in check if you want him to be happy.
Why buy an air quality monitor when you can just make your own? Even if it costs about the same, having the ability to modify and repair your own invention is pretty great. Just ask our resident SBC and 3D printing aficionado Jeff Butts, who built his own air quality monitor with a Raspberry Pi and instructed us lesser mortals on how to follow in his stead. Now, someone has made one for themselves, albeit this one has a face that looks at you disapprovingly if the air isn't great.
