3D printing, soldering
5.5mm+2.1mm pin chassis mount barrel jack
similar to:
https://www.digikey.com/product-detail/en/cui-inc/PJ-011A/CP-011A-ND/305540
I love to make things and teach people to make. You can often find me at libraries leading workshops and making a mess!I'm also a team member of wyolum.com and make Open Source Hardware, such as the Raspberry Pi Alamode