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, ...

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 ...

If you're developing a wrist watch, a small light-following robot, or a portable weather station with Arduino, one of the best boards you can use is the Nano, and for good reason. It's pretty compact, ...

When designing low-power USBcircuits that require power-supplyvoltages other than 5V, you must decidewhether to use a separate battery or aphysically small mains-based powersource. The problem is ...

[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 ...

As our families grow, so do our device charging needs. Where we just used to need 2 USB ports to charge our iPhones, we now have iPads, cameras, Bluetooth speakers, portable flashlight/batteries and ...

USB power supplies are super cheap and omnipresent. They are the Tribble of my household. But they’re not all created equal, and some of them may even be dangerous. I had to source USB power supplies ...