A clamp meter is a device with a metal ring, which can be clamped around two coils. The first one (the primary circuit) is the wire in which the current flows. The second one (the secondary circuit) ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A digital multimeter is an indispensable tool for testing, diagnosing, and ...

While using a digital multimeter to diagnose electrical problems on customers’ equipment, I frequently hear the comment, “I’ve got one of those multimeter things, but I never learned how to use it.” ...

The main advantage a good clamp meter gives you is being able to measure current without shutting off the power. You don’t have to strip back insulation either. This makes them very popular with ...

Multimeters are a vital part of any electronics project, but learning how to use one isn't as simple as it looks. Thankfully, the above video from Adafruit walks you through pretty much everything you ...