Simple, affordable, and attractive. Built-in ECG monitor. Waterproof. Connected GPS. Sleep tracker. No continual heart rate monitoring. Not great if you want to improve athletic performance in a ...
Just when you thought you’d seen an Arduino do everything, [birdyberth] built an Arduino powered Electrocardiogram (ECG or EKG). Electrocardiography is a non invasive method of studying the heart. For ...