The Harbor Freight MADDOX back-probe kit lets DIYers test automotive sensors safely. Just insert between wire and insulation, ...

When your car doesn’t start, often a low or dead battery is the culprit. Unfortunately, most vehicle owners do not check their battery until it fails. As preventative maintenance, the suggested best ...

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.” ...

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 ...

When rest is important to a patient, being rigged up to a heart monitor or disrupted whilst they sleep and having a cold stethoscope placed on their chest isn’t ideal. To get around this problem, a ...

What do Best Buy, the Blue Man Group and Google X have in common? They've all tapped Elliott Hedman and his sensors to help make their stuff better. Hedman is the founder of the design consultancy ...

Car batteries supply and store the electricity used in your vehicle. It can be frustrating to find out your vehicle's battery has failed as you’ll likely be unable to start the engine. Unlike far ...