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TZT KY 039 5V Heartbeat Sensor Senser Detector Module By Finger For Arduino| module 5v|module for arduinomodule sensor - AliExpress
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Heartbeat Sensor using Arduino (Heart Rate Monitor) | Arduino, Electronics mini projects, Arduino programming
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1PC Hot Heart Rate Sensor Module by Finger for Arduino KY-039 Heartbeat Sensor Senser Heart Beat Detector Module: Amazon.com: Industrial & Scientific
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