Compatible UNO R3 STM32 blood oxygen wrist Pulse detection Heart rate Sensor Module MAX30102

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Product description:

The MAX30102 is an integrated pulse oximeter and heart rate monitor biosensor module. It integrates a red LED and an infrared LED, photodetector, optical components, and low-noise electronic circuitry with ambient light suppression.
The MAX30102 features a 1.8V power supply and a separate 5.0V power supply for internal LEDs. It is used in wearable devices for heart rate and blood oxygen acquisition, and is worn on fingers, earlobes, and wrists. The standard I2C-compatible communication interface can transmit the collected values to the Ardu, KL25Z and other microcontrollers for heart rate and blood oxygen calculation. In addition, the chip can also shut down the module through software, the standby current is close to zero, and the power supply is always maintained. Because of its excellent performance, the chip is widely used in the Samsung Galaxy S series mobile phones. Compared with the previous generation MAX30100, the chip integrates a glass cover to effectively eliminate external and internal light interference, and has the best reliable performance.

The main parameters:

Circuit board size: 15 * 20mm
Circuit board thickness: 2.5mm
Module function: measuring heart rate, measuring blood oxygen concentration, measuring temperature
Power supply voltage: 1.8V-5V
Detection signal type: light reflection signal (PPG)
Output signal interface: I2C interface
Communication interface level: 1.8 / 3.3V optional
Red LED peak wavelength: 650nm-670nm
Infrared LED peak wavelength: 870nm-900nm

Pin Description:

VIN: power supply input, 1.8V-5V
SCL: clock of I2C bus
SDA: I2C bus data
INT: interrupt pin
IRD: output 2.8V, drive infrared LED
RD: output 2.6V, drive red LED
GND: ground

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