Additional Tips Using a Multimeter: If you have a multimeter, you can also use it to check the voltage of a USB port by connecting it to the external pins of the USB-A connector.

To determine the power, current, and voltage of a USB socket, Windows on-board tools, freeware, and test sticks from $10 can be used.

As reported by Hackaday, the colourfully named 'USB and more tester' can be bought via Tindie for $60, though it has been ...

An electronics engineer known as "Iron Fuse" has developed a custom "USB and More Tester," offering a wide range of testing ...