brand : ALXReal shot!Introduction:Pulse sensor is used to test the heart rate sensor, students, artists, athletes, creators, games or mobile terminal developers, you can develop and heart rate related work. The sensor can be worn on the finger or earlobe, the line can be connected with the internet. It also has an open source app program that can be used in real time to show your heart rate with the line. The essence is an optical heart rate sensor which integrates the amplifying circuit and the noise elimination circuit.Power supply voltage:3Vperhaps5V DuPont line of distribution!
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