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MAX30100 Heart Rate Oxygen Pulse Sensor

₦ 5,500

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+ shipping from ₦ 750 to LEKKI-AJAH (SANGOTEDO)

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Product details

Description:

GY-MAX30102 is an Optical Heart-Rate monitor and pulse oximetry sensor module. It integrates two LEDs (IR and Red), a photodetector (Red), optimized optics, and low-noise analog signal processing to detect pulse oximetry and heart-rate signals. The signal is processed by a low-noise analog signal processing unit and communicated to the target MCU through the I2C interface. This ensures the sensors mount with uniform pressure on the fingertip for accurate and consistent readings.

Specifications

Key Features

Features:

Uses a 3.3V power supply.
High-performance analog front.
Ultra low power operation increases battery life for wearable devices.
Measures absorbance of pulsing blood.

Package Includes:

1 x GY-MAX30100 Pulse Oximeter Heart Rate Sensor Development Board

Working of MAX30100 Pulse Oximeter and Heart-Rate Sensor

The device has two LEDs, one emitting red light, another emitting infrared light. For pulse rate, only infrared light is needed. Both red light and infrared light are used to measure oxygen levels in the blood.

When the heart pumps blood, there is an increase in oxygenated blood as a result of having more blood. As the heart relaxes, the volume of oxygenated blood also decreases. By knowing the time between the increase and decrease of oxygenated blood, the pulse rate is determined.

It turns out, oxygenated blood absorbs more infrared light and passes more red light while deoxygenated blood absorbs red light and passes more infrared light. This is the main function of the MAX30100: it reads the absorption levels for both light sources and stores them in a buffer that can be read via I2C communication protocol.