Hardware Matrix

Is MAX30102 Pulse Oximeter & Heart Rate Sensor Compatible with Arduino Ecosystem?

Verdict Badge
VERDICT: [ NATIVELY SUPPORTED ]
Protocol: I2C Bus / 3.3V
Bridge Needed: NO

Hardware Safety & Verification Specs

Electrical parameters & logic voltage safety limits before powering ICs

๐ŸŸข 3.3V Native Direct Hookup ๐Ÿงช Verified in Lab
Logic Voltage 3.3V Low-Power CMOS
Voltage Rating 3.0V - 3.3V DC Rail
Current Profile Peak Tx Current: ~180mA to ~250mA @ 3.3V
Environment Rating IP20 Indoor Climate Control

## Compatibility Overview

Medical-grade optical pulse oximetry sensor connected to ESP32 for non-invasive biometric monitoring and fitness telemetry.

Interactive Pinout & Wiring Diagram

Hover over any pin to view voltage limits and pull-up specifications

VCC
3.3V Power
GND
Ground Common
SDA / TX
Data Line (GPIO 21)
SCL / RX
Clock Line (GPIO 22)
CS / INT
Chip Select (GPIO 19)

## Technical Specification Matrix

Feature / Attribute Specification / Status
Hardware Protocol I2C Bus / 3.3V
Bridge Required NO
Border Router Needed None
Exposed Entities
Heart Rate (BPM) SpO2 Oxygen Level Infrared Reflectance
Pairing Complexity Advanced
Factory Reset Instruction Press BOOT button while resetting.

## Step-by-Step Pairing Guide

1

Factory Reset Device

Press BOOT button while resetting.

2

Initialize Pairing Mode on Arduino Ecosystem

Open Arduino Ecosystem administration console, navigate to Integrations / Add Device, and start pairing scanner.

3

Confirm Entity Binding & State Verification

Verify that primary entities (Heart Rate (BPM), SpO2 Oxygen Level, Infrared Reflectance) report live state changes inside Arduino Ecosystem.

Production Code Generator & Preset Toolkit

Pre-configured pinouts & drivers for MAX30102 Pulse Oximeter & Heart Rate Sensor

Test in Wokwi Simulator โ†—
   
๐Ÿ‘ฅ Community Verified Database Continuous hardware testing updates

Report a Pinout Error or Submit Tested Code Snippets

Found a pin mapping quirk or built a custom ESPHome YAML driver for MAX30102 Pulse Oximeter & Heart Rate Sensor? Help us keep this matrix 100% accurate.

## Frequently Asked Questions

Does this device operate in Offline Mode?
Local I2C signal processing with DSP filtering.
What is the expected Battery Life & Power specification?
3.3V VCC SDA=GPIO21 SCL=GPIO22 INT=GPIO19.
How does Signal Mesh & Range Extension function?
Wi-Fi 2.4GHz / BLE.

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