Inductor
Inductor@feddit.de
Joined
10 posts • 78 comments
I’m a programmer and amateur radio operator.
That’s literally just an XLR3 plug. It’s used for analog audio and DMX lighting controls.
Don’t know why you’d put it in a rock though.
It is open source, licensed under the Apache License 2.0.
EDIT: Found it on f-droid: https://f-droid.org/en/packages/app.organicmaps/
Have you tried Organic Maps? Works pretty well for me.