This is a series of videos to make a multi band, multi mode SDR based transceiver.It looks pretty cool!

[VK3ZYZ]

This is based on the Langstone Project...

GitHub - g4eml/Langstone-V3: Langstone SDR. V3 is compatible with Raspberry Pi 5

Langstone SDR. V3 is compatible with Raspberry Pi 5 - g4eml/Langstone-V3

github.com

Langstone Project - UK Microwave Group Wiki

wiki.microwavers.org.uk

One interesting thing that is shown is to hack a USB mouse for a front panel encoder and buttons interface.
The first video in the series...