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NodeMCU ESP12E ESP8266 + Pulse Heart Rate (HeartBeat) Sensor | NodeMCU with Pulse Heart Rate Sensor - YouTube
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At your fingertips: registering your heart beat with a heart pulse sensor and an Arduino equipped with a TFT display – thesolaruniverse
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REES52 Pulse Sensor Heart Rate Sensor Monitor PulseSensor Compatible with Ar-duino Module Raspberry pi : Amazon.in: Industrial & Scientific
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