Found a magnet-activated, battery powered LED board+controller on AliExpress (https://a.aliexpress.com/_mNudMLl) and turned it into a (chunky) ring with a quick 3D print:
=> More informations about this toot | View the thread | More toots from geekmomprojects@mastodon.social
text/gemini
This content has been proxied by September (3851b).