One of the most basic tools for tinkering with electronics is a multimeter. Today, even a cheap meter has capabilities that would have been either very expensive or unobtainable back in the 1970s.

The importance of properly integrating test points into a PCB design. Test-point deployment considerations. When it comes to creating a modern electronic design, we live in both the best and the worst ...

The image of the real SAR-CoV-2 virus, which causes COVID-19, has become ubiquitous. But creating a fake one could be a crucial part of fighting the pandemic. Credit: Shutterstock / CKA When Dr. Soo ...

A selection of probes, from [Jim Williams’] Linear Technology app note 72. It’s not often that we are shown an entirely new class of test equipment here at Hackaday, so it was with some surprise that ...

A new type of nontoxic fluorescent probe could make it much easier to detect low pH in living cells. The human body is engaged in a constant tightrope walk to maintain the right pH, because when our ...