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Pulse sensor is used to test heart rate sensors. Students, artists, athletes, creators, games or mobile terminal developers can develop heart-related and interactive works. Sensor can be worn on the finger or earlobe, It also has an open-source app program, you can put your real-time heart rate displayed by the graph. In essence, a heart rate sensor integrated optical amplifier and noise elimination circuit.
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XL0840 - SCR - 400V -TO92 DID-4 Rated Repetitive Off-State Voltage VDRM: 400 V Maximum Gate Peak Inverse Voltage: 8 V Off-State Leakage Current @ VDRM IDRM: 1 uA Gate Trigger Voltage - Vgt: 0.8 V Gate Trigger Current - Igt: 0.2 mA Holding Current Ih Max: 5 mA Maximum Operating Temperature: 125 C Minimum Operating Temperature Non Repetitive On-State Current: 8 A Vf - Forward Voltage: 1.95 V