MAX30102 MAX30100 Sensor Module, Heart Rate Blood Oxygen Monitor, Pulse Oximeter with I2C Interface for ESP32 DIY

Description

Discover the next level of health monitoring with the MAX30102 / MAX30100 Sensor Module. This compact, low‑power pulse oximeter and heart rate monitor is engineered for seamless integration with ESP32 and other microcontrollers via an I²C interface. Whether you’re building a DIY fitness tracker, a medical research prototype, or an IoT health solution, this module delivers accurate, real‑time data in a small form factor.

Product Overview

The MAX30102 and MAX30100 modules combine an infrared (IR) and red LED sensor with a photodiode to capture precise optical signals from the blood. The integrated analog front‑end and digital signal processing allow for reliable heart‑rate and SpO₂ measurement even in challenging environments.

Key Highlights

• Dual‑LED (red & IR) design for accurate SpO₂ and heart‑rate calculation
• Built‑in I²C interface – plug & play with ESP32, Arduino, Raspberry Pi, and more
• Ultra‑low power consumption: 0.8 mA (sleep), 20 mA (active)
• High resolution: 18‑bit ADC with programmable gain (±0.5 µA to ±4 µA)
• Easy calibration and software library support for popular platforms
• Compact 2.5 mm × 2.5 mm footprint – ideal for wearable and portable projects

Technical Specifications

Operating Voltage: 2.4 V – 3.6 V
Temperature Range: –40 °C to +85 °C
Communication: I²C (SCL, SDA)
LED Forward Current: 20 mA (max)
Sampling Rate: 1 kHz (configurable)
Output: 18‑bit digital data (heart‑rate, SpO₂, raw photoplethysmogram)

Why Choose This Module?

• Proven accuracy – validated against clinical grade pulse oximeters
• Open‑source firmware and libraries available for ESP32, Arduino, and STM32
• Cost‑effective solution for commercial and hobbyist projects
• Robust design with low EMI and high noise immunity
• Fast time‑to‑market: ready for prototyping, rapid iteration, and production

Applications

From smart watches and fitness bands to remote patient monitoring and research labs, the MAX30102/00 sensor module powers a wide range of health‑tech products. Its small size and low power profile make it perfect for battery‑powered wearables, while its high‑resolution output is ideal for medical diagnostics and clinical studies.

Elevate your next project with a reliable, scalable, and developer‑friendly pulse oximeter and heart‑rate sensor. Order the MAX30102 / MAX30100 Sensor Module today and start building smarter, healthier devices.