If you're wondering how to measure your PC's power usage on Windows, there's a good chance you think your computer might be using a fair bit of energy. And that's to be expected — the best ...

The USB interface is being increasingly used as a power supply and charging port for all kinds of devices, besides data transfer. A meter to measure the electrical parameters of devices connected ...

As the name suggests, you plug your mains-powered household devices into the plug-in energy monitor and then plug it into the wall socket. It will then tell you how much power is being used. You can ...