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KEYES Finger Heartbeat Detection Sensor Module for Arduino - Black + White
Brand KEYES Model KY-039 Quantity 1 Color Black + white Material FR4 Features Use IR LED and optical transistor to detect pulsation in fingers Specification Working voltage: 5V Application Synthesized teaching experiment English Manual/Spec Yes Packing List 1 x Heartbeat detection sensor module 1 x English user manual