The folks at [electro-labs] designed this simple USB power meter which does just that ... check the awesome Friedcircuits USB Tester which we reviewed earlier and is available in the Hackaday ...

He made a simple test rig to test tubes at DC and one operating ... The tester is just a few resistors, a tube socket, and some bench power supplies. Of course, you may have to adapt it to ...

With all the problems a bad Power Supply can cause, a PSU Tester is a great thing to have if your in the computer repair business. "The specs are quite simple as you would imagine, with an audible ...

Two simple USB inventions provide an easy way to test USB cables and chargers, ensuring they are functioning properly. The first invention uses a small plastic ball and a USB female connector to ...

Dr. Power III PSU Tester has been meticulously crafted to accommodate all contemporary ATX power supplies, up to ATX12V v3.1. Its inclusive design incorporates the PCIe 12+4pin connector and ...

I mean, without professional load testers, it's pretty hard to stress a power supply of this class and actually measure its behaviour. Our first check is with a simple power supply tester ...