"Hearst Magazines and Yahoo may earn commission or revenue on some items through the links below." A digital multimeter is an indispensable tool for testing, diagnosing, and troubleshooting electrical ...

Back in the early days of electricity, lab workers could measure electric current in a circuit using an ammeter (galvanometer) and voltage using a voltmeter. From there, they could calculate ...

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 ...

Hi everyone, Randy here again. I guess I'm not screwing up as bad as I thought because those magazine editors keep asking me to write another column. They said as long as I have something to talk ...

If you were to ask a random Hackaday reader what their most fundamental piece of electronic test equipment was, it’s likely that they would respond with “multimeter”. If you asked them to produce it, ...

Home improvement addicts really get excited about their power tools. And in the shadow of drills and sanders, the multimeter doesn't get much love. Too bad, because multimeters are just as useful and ...