Hey, and mine!B.Goode wrote: ↑Thu Sep 20, 2018 2:06 pmBy the mystery of Internet Serendipity a link to this textbook popped up in my Twitter timeline earlier today. It might be relevant for you.
https://hackaday.com/2018/09/20/learn-a ... pberry-pi/
Not sure what the case is. The point is, if you don't have high requirements on your USB devices, you can get away with lower powered supplies.