[Paul] recently purchased an inexpensive USB power pack ... Now you can’t just hook up the 22 ohm resistor to a 5V power supply for the sake of keeping it on — that would draw 1.1watts ...

Also, why was the output 4.7-5V, and why did my scope say 5.5V ... Check out a much more thorough analysis of this and pretty much every USB power supply cube by [Ken Shirriff].

Well, if there's a TV with a USB port in the room, you're in luck. If you're looking for a quick way to juice up, the 5V power supply is pretty common for small electronics no matter where you are in ...

Founder Eben Upton said the team decided to build their own USB hub after becoming frustrated with the quality and price of ...

The Bluetti AC500 and B300S are an evolution of its powerhouse portable power station with a 5,000W inverter and 3,072Wh ...

Michael Ansaldo/Foundry The second phase involves synchronizing the doorbell with its chime, a compact USB dongle that ...

On the 29W adapter, on the other hand, Apple printed two output options: 14.5V x 2.0A with ‘USB PD’ or 5.2V x 2.4A; IOKit exposes 14.8V x 2.0A with USB PD. In both cases, voltage x amperage rounds out ...

Pineboards, perhaps best known for its excellent HatDrive! Nano we recently reviewed, has a history of beating Raspberry Pi ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...

Vinyl is particularly popular with younger people. If you want a git idea for the teen in your life, the Gadhouse Brad Retro MKII Turntable is sure to be popular.

The SGC21412 is an Advanced Power Controller for integration in SoC. SGC APC is based on a configurable core that is configured for each specific SoC, delivering all the necessary auxiliary supply ...

Waveshare ESP32-P4-NANO is the first third-party ESP32-P4 RISC-V board we've seen and it follows the launch of the Espressif ...