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[-] grue@lemmy.world 10 points 3 months ago

You put an Arduino-compatible microcontroller on a custom PCB, obviously. A QFN package ATTiny is like 4mm square.

It'll all be SMT parts if you want it to be watch-sized, so you'll have to let JLCPCB or whoever assemble the board for you instead of soldering it yourself, but it's surprisingly accessible to random hobbyists these days.

[-] Ulrich@feddit.org 5 points 3 months ago

Yeah I don't understand any of these words.

[-] errer@lemmy.world 9 points 3 months ago

What part of you just DHRT the CNGIR to the WKFI do you not understand?!?

this post was submitted on 28 Jan 2025
354 points (98.1% liked)

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