I am trying to mount a strip of three-prong outlets and a strip of USB charging outlets on an old wooden desk. I can handle the carpentry aspect, but I am struggling with the electrical aspect. I ...
I'd like to know why there are no mains-powered chargers that can charge multiple usb devices at, say, 2A and 1A? I'm after something that can charge 2 tablets that ask for 2A and 2 phones on 1A, so ...
I am currently designing a "3.3V@500mA Power Failover Supply with Integrated USB Li-Ion Charger" for a uC project. I want the circuit to draw power straight from USB power when available & switch ...
I need to build a 5V 600mA USB charge circuit for a device I want to build for my hobby project. Does anyone have a simple circuit design I can use to do this? It will be charging a Lithium cell with ...
To play a joke on this question, we came up with the following image on the Super User Chat. Of course this will not work, but now my question is: What happens if you charge a laptop using it's ...