One part that I find myself using somewhat regularly in microcontroller-based experiments is the “USB power bank” that provides USB-standard 5-V DC output and offers some basic protection features.

I never thought that a $12 accessory could rival tools that cost much more. But this USB-C power meter delivers in profound ways.

Have you ever wondered whether your USB ports are really delivering maximum power? There are several ways to find out. Windows offers you built-in functions to check the performance of your USB ports.

Fortunately, if you’ve ever needed to test the voltage on your USB-C devices, there is a tool for you. There are quite a few USB-C voltage meters on the market, including one from one of my favourite ...

Powering external devices directly from a PC’s I/O ports has been a thing long before USB was even a twinkle in an engineer’s eye. Some of us may remember the all too common PS/2 pass-through leads ...

Locate USB Controllers: In the Device Manager, scroll down and expand the "Universal Serial Bus controllers" category. Access USB Port Properties: Right-click on an entry named "USB Root Hub," ...

USB ports have quietly turned into the default power outlet for phones, laptops, headphones, and even monitors, but the ...

Middleboro, Mass.—Universal Serial Bus continues its ascendancy for many moderate-speed measurement and data acquisition applications, especially those where plug-and-play in a PC environment is ...

My understanding, all USB ports provide 5v. I am trying to get voltage from TV USB port to power an input switch relay box (would turn on when TV turns on from standby and starts powering the USB ...