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Sensors
MAX30102 Heart-Rate Sensor
Optical pulse and oxygen sensor.
Definition
Uses red and infrared LEDs to measure blood pulse and SpO₂ via the fingertip.
AI Application
Provides raw waveforms for AI models that classify arrhythmias and stress levels.
Parts & pins
1
VIN
1.8–5V power input
2
GND
Ground reference
3
SCL
I²C clock line (SCL)
4
SDA
I²C data line (SDA)
5
INT
Data-ready interrupt
6
Red + IR LEDs
Pulse light into the fingertip
7
Photodetector
Reads reflected light intensity
Works with
Hardware you can wire this part to in a typical project.
