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it needs to fix one end through the screw hole and the other end left floating state
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Connector Wire Length : 20 cm
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Heart Rate (Pulse) Sensor Soldering Iron it needs to fix oneIntroduction : Pulse Sensor is a well designed plug and play heart rate sensor for Arduino. It can be used bystudents, artists, athletes, makers, and game & mobile developers who want to easily incorporate live heart rate data into their projects. The sensor clips onto a fingertip or earlobe and plugs right into Arduino with some jumper cables. It essentially combines a simple optical heart rate sensor with amplification and noise cancellation
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