Simple enclosure for a PICO powered Boot slector switch.

Uses the code & technique from here https://github.com/MadRajib/hardware_boot_selection_switch

Linux Logo taken from https://www.thingiverse.com/thing:3528280

Rocker switch used is https://cpc.farnell.com/pro-power/ppw01079/switch-rnd-rckr-spdt/dp/SW03210 20mm diameter.