Battery acting weird? How to calibrate your phone and laptop

PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...
Hackaday

Review And Demo Of The Zoyi ZT-QB9 Smart Clamp Meter

Over on YouTube [Kiss Analog] reviews the New Zoyi ZT-QB9 Smart Clamp meter. If you’re putting together an electronics lab from scratch you absolutely must get a multimeter to start. A ...

Can this $25 multimeter hold its own against my $250 unit? I put it to the test

For around $25, the Neoteck TS20D is a fully-featured, well-made, and decently accurate tool that will handle most multimeter-related tasks. It's small enough to drop into a pocket or toolbox, durable ...

Why everyone needs this USB power meter I tested that's shockingly accurate (and it's cheap)

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