Just a side comment. I have a tinkerboard and I can’t find shit to do with it either. The support is lackluster

• PiHole
• VPN
• self-hosted remote storage
• Headscale (self-hosted Tailscale server)

I used mine as a CUPS printserver to share a USB printer on the network. It was pretty slow when spooling though.

All the same things you can do with Raspberry Pi Pico.

Slap it onto your lathe to make a CNC lathe.