KY-039 Finger Heartbeat Detection Sensor MAX30102 Pulse Oximeter Heart Rate Sensor Module 100% authentic from trusted component

100% authentic from trusted component suppliers - no flimsy knock-offs with loose contacts

and command data from any IR remote

Pin 1 VCC - Power supply input (4

attendance machines

No corrosion: Resistive sensors have bare metal probes that corrode within weeks in moist soil

KY-039 Finger Heartbeat Detection Sensor MAX30102 Pulse Oximeter Heart Rate Sensor Module 100% authentic from trusted componentKY 039 Finger Heartbeat Detection Sensor Quality electronics from The Engineer Store, Bengaluru. Fast shipping, 7 day warranty on manufacturing defects, expert support. Overview The KY 039 is a compact optical heartbeat detection sensor designed to measure pulse rates through finger placement. This versatile component is ideal for health monitoring applications, wearable devices, and educational electronics projects. The sensor uses infrared LED and