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Hackaday

Serious Chemical Threat Sniffer On A Budget

Chemical warfare detection was never supposed to be a hobbyist project. Yet here we are: Air Quality Guardian by [debdoot], ...
XDA Developers on MSN

I built an "on air" display for my home office using this cheap ESP32-based setup

The display I used here is the WT32-SC01 Plus, but any old cheap one will do, including the Cheap Yellow Display. So long as ...