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.” ...

When you measure a voltage, how do you know that your measurement is correct? Because your multimeter says so, of course! But how can you trust your multimeter to give the right reading? Calibration ...

While there’s typically not much room on our work bench for toys, [David] over at Robot Room has put together a pretty cool multimeter for which we would make an exception. His Lego Minifig multimeter ...

Two things I always geek out over is Lego and Electronics. I love building things with both, and while I've seen some cool electronics Lego (Legtronics?) hacks this one is probably the most functional ...