They're doing another electronics challenge badge for DEFCON, more details here:
Details of DEFCON 29 here.
The 'badges' for 'badge life' are really coming out of the woodwork.
This one appears to be based around the RP2040
Looks like Defcon has embraced the RP2040, as the main badge is using it too:
This year's badge is a musical keyboard, with audio in/out and acts as an audio device when plugged in by default.