The Kincony A4 ESP32 board with 4 relays an a bunch of other I/O is on a 70% off special at the moment for AUD$17.95 on Ali Express. Not sure what I want it for but have ordered one.
Find it in the Super Deals to get this price.
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I’m not sure of a use case either but it is impressive…
There’s lots of cool stuff made by kincony.