The Raspberry Pi 5 used this time was sent directly to the GIGAZINE editorial department from the Raspberry Pi Foundation and has not received technical standards compliance certification. Therefore, ...

So I've tended to assume, possibly stupidly, that if a device relies on a USB power connection at all then any old AC->USB power adapter is fine to use for it and substitutable for a computer USB port ...

If you have a flagship phone, you'll want a power adapter with Adjustable Voltage Supply or Programmable Power Supply.

SCRs are the switching devices for this unusual DC to DC converter that is suited for the ubiquitous 5V USB power source as well as numerous other applications. This novel power circuit topology uses ...

My wife has an iPhone 3GS and she's lost the AC charging adapter. I told her I thought all AC adapters for USB devices were equivalent (we have several others lying around the house). She is afraid of ...

[Paul] recently purchased an inexpensive USB power pack, hoping to use it for powering small electronics projects. Unfortunately it has been designed to only stay on when a device is drawing a lot of ...