Heart rate 4 click

Hear rate 4 click is a highly sensitive heart-rate monitor and oximeter based on the MAX30101 chip from Maxim Integrated. On-chip LEDs, photo sensors and other electronics measure the reflections of light from for example a finger, which gives a measurement of the blood oxygenation.

* Runs on 3.3V or 5V.
* Communicates over SPI.
* Compatible with mikroBUS.