How Does the MAX30102 Pulse Oximeter and Heart Rate Sensor Work and how to Interface it with Arduino?
SEN-15219 Datasheet by SparkFun Electronics | Digi-Key Electronics
GitHub - sparkfun/SparkFun_Pulse_Oximeter_Heart_Rate_Sensor: Hardware repo for the Pulse Oximeter Heart Rate Sensor using Maxim Integrated ICs: the MAX32664 Bio Metric Sensor Hub and the MAX30101 Pulse Oximetry and Heart-Rate Module.
Interfacing MAX30102 Pulse Oximeter and Heart Rate Sensor with Arduino
GitHub - sparkfun/SparkFun_MAX3010x_Sensor_Library: An Arduino Library for the MAX3015 particle sensor and MAX30102 Pulse Ox sensor
Can't find a pulse oximeter? Create your own! | Arduino Blog