The wall-wart power supply is a common problem. These are more common than ever because manufacturers don’t have to obtain registrations for the power supply in a device, and they can buy the supplies ...

For one-off projects or prototyping, it’s not too hard to find a wall wart or power supply to send a few joules of energy from the wall outlet to your circuit. Most of these power supplies use a ...

Michael Bradford also wrote that one of his clients called late one Sunday night to inform him that sometime during the past few days the Sine Systems remote control had refused to answer calls at the ...

A survey commissioned by one power electronics company finds that over 60% of American consumers view incompatible power adapters as “wasteful” or “frustrating” A survey commissioned by one power ...

The tech world has finally coalesced around a charging standard, after years of proprietary adapters and ugly wall-wart power supplies. USB-C is in the process of replacing them. But, in a brilliant ...

Just when I was ready to give up hope of finding a small manageable gig desk switch, I got a sample unit sent to me by my university HP rep. HP ProCurve 1800-8G: 8 ports of 10/100/1000 copper auto mdi ...

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 ...