MAX30102 30100 Blood Oxygen Wrist Heart Rate Pulse Detection Heartbeat Sensor Module UNO R3 STM32

Product Introduction

The MA30100 is a module that integrates a pulse oximeter and heart rate monitoring sensor. The device features two LEDs, a photodetector, optimized optical components, and a low-noise analog signal processor. It can detect pulse oximetry and heart rate signals. The MAX30 100 uses power supply voltages of 1.8V and 3.3V. The power can be turned off through software, and the current consumption in standby mode can be ignored, so the power connection can always be maintained. Typical applications include fitness aids, medical monitoring devices, and wearable devices.

Product working principle

1. Photolysis method: using the difference in light transmittance caused by human tissue during vascular pulsation to measure pulse and blood oxygen saturation

2. Light source: using oxygenated hemoglobin (Hb02) and hemoglobin in arterial blood (Hb) Selective light emitting diodes with specific wavelengths

3. The transmittance is converted into an electrical signal, and the arterial pulse congestion volume leads to a change in the transmittance of light. At this time, the light reflected by human tissue is received by photoelectric conversion, converted into an electrical signal, and amplified

output.

Product Pin Description

VIN: Power input 1.6V-5.5V

SDA:IIC-SCL

SCL:IC-SCL

GND: land

INT: INT low level effective interrupt (open drain)

IRD: IR-DRVIRLED cathode and LED driver connection point

RD: R-DRV red LED cathode and LED driver connection point

Product Photograph

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