SurtrTech - MAX30102 Pulse Oximeter and Heart-Rate Sensor + Arduino. Includes a BPM measuring project with OLED and Buzzer. Full tutorial -> https://youtu.be/cEtyMkubXj4 | Facebook
AFE4490 Pulse oximeter shield for Arduino - v2 from ProtoCentral Electronics on Tindie
MAX30100 Pulse Oximeter With Arduino UNO and Keypad LCD Shield