eletricity

usb devices and rbg motherboard flashing with the power supply turned off

Does an UPS with built in AVR (line interactive online ) work better in regulating the voltage than a dedicated AVR? Because they seem to have a lot of features like pure sine waves, online ups and I dont really now if its better than a dedicated avr in the topic. Can someone explain me all of...

Hello, I apologize in advance if my English isn't perfect. Here is the problem: I've been using Powerline plugs since almost two years now, to be able to get access to Internet on my desk Computer. The router is in the living room, which is not far at all from the office, but I don't have a...