This article can be more of a guide on how to construct an heartbeat sensor utilizing an Arduino. Although a complicated one, this project comes as an interesting one to many electronics hobbyists.

How fast does your heart beat? It’s a tough question to answer, because our heart rate changes all the time depending on what we’re doing and how our body is behaving. However, [Ludwin] noted that ...

There are many ways to detect a heartbeat electronically. One of the simpler ways is to take [Orlando’s] approach. He’s built a finger-mounted pulse detector using a few simple components and an ...