News & Articles

Get started learning to build your own electronics by following our FREE online courses below!
Learn More »



Build Like A Pyro!
Find many of the parts used on this site at our favorite online electronics shop
Take Me To The Gadgetory!
ECG + Pulse Oximeter

Posted February 19, 2014 by Chris

"The goal of this project is to collect heartbeat information on a computer with minimal cost and minimal complexity. I accomplished this with fewer than a dozen components. It serves both as a light-based heartbeat monitor, and an electrocardiogram (ECG) to visualize electrical activity generated by heart while it contracts."

Leave a Reply