Wi-Fi signals and machine learning can noninvasively process heart rate with clinical-level accuracy in under 5 seconds.

Discover how to repurpose old gadgets like TVs, hard drives, Hi-Fi speakers, and printers with Raspberry Pi projects. Give ...

However, these must have skin contact and are typically worn on the finger. Pulse-Fi works remotely, allowing you to monitor ...

Retrocomputers need ROMs, but they’re just so read only. Enter the latest incarnation of [Piers]’s One ROM to rule them all, now built with a RP2350, because the newest version is 5V ...