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|Color||Black + white|
|Specification||Arduino pulse sensor is used to test the heart rate sensor, students, artists, athletes, creators, games or mobile terminal developers can develop and heart-related interactive work; Sensors can be worn on the finger or earlobe, through the interconnect lines can be connected with the Arduino; It also has an open-source app program, you can put your heart rate in real time using graph displayed; Substance is an integrated amplifier and noise elimination circuit optical heart rate sensor; Power supply: 3V or 5V|
|Packing List||1 x Pulse heart rate sensor|
|Quantity||3+ units||5+ units||10+ units|
|Rate||US$4.80 shipped||US$4.78 shipped||US$4.76 shipped|
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