While we often get a detailed backstory of the projects we cover here at Hackaday, sometimes the genesis of a build is a bit ...
When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around the dial mean.
A few weeks back, we reported on a research group that figured out how to measure heartrate using perturbations in WiFi signals. [Nick Bild] was interested in this so-called “Pulse-Fi” ...