A multimeter is an easy prospect, right? Back in the day you could make one fairly easily with a decent panel meter and a set of precision resistors, and now a digital one can be had for throwaway ...

To keep the board small, he didn’t include an ISP header ... an NPN transistor that can cut off the ground path between the multimeter and its battery. A tactile switch is connected to one ...

When troubleshooting problems with small appliances, smart-home modules, speaker systems, or just about any other electronic item, a multimeter will be among the most valued tools in your arsenal.

The new edition of Allegro's smallest analysis hardware comes with multi-gigabit ports and a 16 GB internal database. The ...

When electrical issues arise, these quick receptacle power tests will come in handy. Learn how to measure voltage, conduct a polarity test, and more.