Search results

Answering my own question, I was looking on Amazon for "pedal power supply" and sure enough, they all seem to be negative center. That's a really interesting difference between pedal power supplies and what's "normal" for the most consumer devices. So let this be a warning to anyone building...

Sorry to come in late here, but I'm curious about this comment. I was just wiring up my first board, grabbed a 9V power supply from my stack of old power supplies and did a quick multimeter sanity check before I wired up the plug. I have three 9V supplies from random manufacturers and all three...