Recently, I came across a review of Keweisi KWSV20 USB Tester in Gough’s Tech Zone and thought that it’d be good to buy one myself. After a quick search on Amazon and just three days later, I had that ...

It also has an on-device oscilloscope, with real-time voltage and current curves. It'll test cables (and show the E-Marker ...

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.

Klein Tools introduces USB Meters and Tester (Cat. Nos. ET900, ET910 and ET920), enabling professionals to monitor the power delivered by USB ports. Klein Tools introduces USB Meters and Tester (Cat.

A battery load tester can perform all kinds of analysis, from warning you of low charge to identifying potential faults in your alternator. Regularly checking your battery highlights problems before ...

Extra batteries and portable power banks are great for keeping your electronic devices charged and operating when you’re off the grid, but they won’t last forever. Portable solar chargers don’t have ...