Gravity Heart Rate Sensor Selection Guide
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Name
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Gravity：Analog ECG Heart Rate Sensor
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Gravity：Analog/Digital PPG Heart Rate Sensor
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SKU
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SEN0213
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SEN0203
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IC/Module
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AD8232
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SON1303
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Operation Voltage(VCC)
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3.3～6V
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3.3～6V
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Output
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Gravity: Analog
(Digital 0～3.3V)
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Gravity: Analog/Digital
(Analog 0～VCC)
(Digital 0～VCC)
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Measurement Principle
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ECG（Electrocardiogram）
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PPG（Photo Plethysmo Graphy）
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Average Power
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<10mA
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<10mA
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Dimension
(PCB)
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35*22 mm
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28*24 mm
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Features
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1.ECG method, accurate and stable
2.Three electrodes
3.3.3V/5V compatible
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1.PPG method, convenient and fast
2.Analog (pulse wave) & Digital(heart rate), configurable output
3.3.3V/5V compatible
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