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 ubiquitous, and now inexpensive, 1999-digit digital panel meter or digital voltage meter (DVM) module is a very useful addition to the range of test and display gear currently available. It's ...

Craig brought 15 years of automotive journalism experience to the Cars team. A lifelong resident of Michigan, he's as happy with a wrench or welding gun in hand as he is in front of the camera or ...

When working on electrical projects around the home—whether that’s troubleshooting an issue with your HVAC system, repairing an appliance, or testing a car battery—a multimeter is essential. These ...

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 ...

View post: Mazda CX-90’s Lease Offers This January Are Hard to Resist Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change. Digital ...

Digital multimeters (DMM), once called voltmeters, have been described as the tape measure for engineers in the new millennium. With electronics and electrical circuits included in almost every ...

Here is an interesting Car Battery Monitor circuit of a low power electronic dc voltmeter circuit that can be used with car electric systems that run on 12 volt batteries. The voltmeter is an expanded ...

Normally, in a digital voltmeter, high input impedance of the preamplifier stage is protected against very high voltages by two diodes. One of them is connected to the positive terminal and the other ...