Our new build has just kicked off and I want to add wall sockets with built in USB ports around the house.

Chances are, you have some old mobile phone chargers lying around the house with non-USB pins. Instead of junking it, Martin Melchior shows us how to attach USB ports and give those chargers a new ...

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 ...