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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Disco_VW
That just gave me an idea...
Relay module in 12v would be nice.
Ultrasonic sensor... has anyone tried with a normal VW/Audi PDC sensor? They are running 12v (link to eBay for a random sensor: https://www.ebay.de/itm/122453670270)
3 pins:
1: 12v
2: signal (I don't know anything about that)
3: Ground