and moving the through hole components to the rear PCB side, pogo pins could be soldered to strategic locations. Building the assembly into a rudimentary enclosure made from sawn-up raw copper ...

No user-serviceable parts inside? Give me a break! The head unit is tough to get to, but the PCBs within the chassis use ...

It's a printed circuit board (PCB) with an array of components soldiered ... Older USB-A 2.x ports are powered by a 9-pin array, enclosed in plastic. USB-A 3.x require 19 pins and are essentially ...