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Three small black rectangular circuit boards with gold pins and optical sensors

KEHIPI

KEHIPI 3PCS MAX30102 Heart Rate Sensor Module Black

SKU CH-SRS3-SB26B

Three MAX30102 modules measure heart rate and blood oxygen via 660 nm and 880 nm LEDs with I2C output for Arduino and STM32 projects

  • Three modules included for multi-point testing
  • Integrated red and infrared LEDs at 660nm and 880nm wavelengths
  • Low-noise circuitry with ambient light suppression
  • I2C interface compatible with 1.8V to 5V logic levels
  • Suitable for wearable placement on finger, earlobe or wrist

Three-Module Pulse-Oximetry Pack

This pack supplies three MAX30102 sensor modules for makers building wearable health prototypes. Each board integrates red and infrared LEDs with a photodetector and ambient-light rejection circuitry. The modules target developers who need ready-to-use PPG sensing for Arduino or STM32 projects.

I2C Voltage Flexibility

The boards expose a selectable pull-up pad so the I2C bus can run at 1.8 V or 3.3 V, matching the host microcontroller logic level. Main supply accepts 1.8 V to 5 V while the internal LED driver uses a separate 5.0 V rail. Communication stays within the 1.8 V to 5 V interface window.

Dual-Wavelength Optical Front-End

The defining spec is the paired LED peaks at 660 nm and 880 nm, which enable simultaneous heart-rate and blood-oxygen measurement from reflected light. Builders who require different wavelengths or a single-colour emitter will need another sensor.

Pontos fortes

  • Three modules included for multi-point testing
  • Integrated red and infrared LEDs at 660nm and 880nm wavelengths
  • Low-noise circuitry with ambient light suppression
  • I2C interface compatible with 1.8V to 5V logic levels
  • Suitable for wearable placement on finger, earlobe or wrist

Especificações

BrandAITRIP
ModelMAX30102
Part NumberMAX30102

Perguntas sobre este artigo

How many MAX30102 modules come in the pack and what does that let me do?

The pack contains three identical MAX30102 boards, so you can equip multiple prototypes or build redundant sensor nodes without ordering again.

What do the 660 nm and 880 nm LED wavelengths measure once the module is on a finger or wrist?

The 660 nm red LED and 880 nm infrared LED shine through tissue; their reflected light gives the photoplethysmography signal used to calculate heart rate and blood oxygen saturation.

The board uses I2C — what voltage levels does the bus actually support?

The I2C lines accept 1.8 V to 5 V logic, and the on-board pull-up pads can be set to 1.8 V or 3.3 V to match the host microcontroller.

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