Heartbeat Sensor using Arduino (Heart Rate Monitor)
Measure Heart Rate and SpO2 with MAX30102 - Arduino Project Hub
Pulse Sensor Interfacing with Arduino | How Pulse Sensor works tutorials?
Pulse Rate (BPM) Monitor using Arduino & Pulse Sensor
Pulse oximeter using Arduino - Hackster.io
8) At your fingertip: registering your heart beat with a heart pulse sensor and an Arduino equipped with a TFT display - Zonnestroompanelen in Nederland
ATtiny85 Pulse Oximeter and Photoplethysmograph - Hackster.io