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 ...

All cigarette lighter sockets are also 12v sockets, which means that you should be able to plug in a cigarette lighter inverter, cell charger, or any other 12v DC accessory into any cigarette lighter ...

Wouldn't it be cool if every power socket was the same? Imagine if you could carry around a single cable and plug in any device to the wall. Share on Facebook (opens in a new window) Share on X (opens ...

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 ...