2020 has, for many of us, led us to make purchases we likely didn’t need and, in a few rarer cases, some that we didn’t know we needed. For me, at the top of the year, I made one of my favorite ...

Capacitive touch sensors are entirely in the domain of DIY, requiring little more than a carefully-chosen conductive surface and a microcontroller. This led [John Phillips] to ask why not embed such ...

As a biomedical equipment technician [Adam Outler] equipment needs to be in top working condition. The emergency room staff were complaining about erroneous noise on the electrocardiogram and it’s his ...