EDN

Brute force beats the barrel power-connector barrier

Like most of you, I have accumulated a random collection of AC/DC and AC/AC power-adapter units – often referred to as “wall warts” – over the years. After all, what engineer is foolish enough to ...
Hackaday

Bottom Of The Barrel Connector: Tell Us Your Socket Hacks

Sometimes you get an epiphany for a project that will change the world. A simple device, on a custom circuit board with inexpensive parts that will disrupt the status quo and make you a billion ...
Ars Technica

AC-DC transformer, but with multiple output voltages simultaneously.

Maybe I'm describing a unicorn device here but I have a bunch of devices that run off DC-in of various voltages, and take a barrel jack connector for power. They all have their own wall warts but I've ...
Hackaday

barrel connector

Sometimes you get an epiphany for a project that will change the world. A simple device, on a custom circuit board with inexpensive parts that will disrupt the status quo and make you a billion ...