The diagram shows the circuit of a versatile USB power socket that safely converts the 12V battery voltage into stable 5V. This circuit makes it possible to power/recharge any USB power-operated ...

I was looking at power boards in a hardware shop yesterday and noticed that a) many of them had USB sockets, and that b) the ratings for the USB sockets varied widely, from 1A to 3A. If I wanted to ...

Like many people, I have a mess of USB adapters littered across the house and I'm looking at the wall sockets with built in USB sockets. My house was rewired with HPM elite wall sockets and switches ...