As vending machines, micro markets, smart coolers and unattended retail systems become increasingly sophisticated, operators ...
There are plenty of radios you can buy that pick up MW and SW bands if that’s what you’re into. Or, you can follow [mircemk]’s example, and whip one up yourself instead. The build employs an ESP32 as ...
XDA Developers on MSN
6 smart home devices anyone can build with a cheap ESP32 and an even cheaper sensor
These are some great DIY projects that you can do for cheap.
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