Shouldn't be too hard to turn something like this into a Nostr Signing Device https://www.lilygo.cc/products/t-dongle-s3
Discussion
I did it!!

Hell yeah. I'm so jealous its going to be a least a week before they ship the one I ordered.
Dose it work with https://next.nostrudel.ninja/#/signin
Before, it was not.
But now it's work!!
I have update code in my repository https://github.com/AlbiziaLebbeck/nostr-signing-device . It's fork from lnbits.
cool ill give it a shot when mine comes. I was just going to try and flash the original onto the device but I guess that dose not work?
So tiny! Put it up for sale on Shopstr :)
👀
How do I get one? 🤩
Buy it from here