Cliff Eddens, of Cornell Medical Center, and Krystoff and Matt of Medtronic taught an incredible course on BIOelectricity in the Test Kitchen. Above Peter Semmelhack, CEO at BUG, made his own heart rate motitor with a few chips on a breadboard and wired himself up. Peter is becoming an old hat at making heart rate monitors - he's also made one with BUG. Thanks to Htink for organizing the event!The board layout:Our two fearless engineers!...