Arduino pulse sensors have a small infrared LED that is placed on a finger to reliably read the pulse of a human, providing an analog output that is easy to work with and read. This is great for ...

In this particular case, it’s a DIY USB polygraph-like machine by [Juangg] using an Arduino and sensors on the hardware side, and a Python front end for data visualization. It’s even complete ...

you’ll be asked to attach a small pulse monitor to your finger. The device the nurses clip on to one of your remaining digits is called a photoplethysmographic sensor, and basically it is able ...