Raspberry Pi has once again expanded its list of official Raspberry Pi branded accessories, releasing an official USB 3 Hub ...

[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 ...

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

I had to source USB power supplies for a product ... Also, why was the output 4.7-5V, and why did my scope say 5.5V (but surprisingly stable)? Inside was a completely different beast.