This page has three parts. Part one (this one) covers the disassembly of the Dirt Devil and the replacement of its chip with a WEMOS D1-D2. This adds the feature of controlling the Dirt Devil over Wifi. I think it works pretty well, but lacks some features like ...
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DIRTDEVIL M612 Spider 2.0 Robot vacuum cleaner - iPon - hardware and software news, reviews, webshop, forum