The GY-MAX30102 module is an upgraded pulse oximeter and heart-rate sensor. Compared to the MAX30100 it has better signal quality and lower power, giving more stable BPM and SpO2 readings over I2C. It is a top choice for ESP32 health monitoring and wearable projects.
| Sensor | MAX30102 |
|---|---|
| Measures | Heart rate and SpO2 |
| Interface | I2C (address 0x57) |
| Supply voltage | 3.3V – 5V |
| LEDs | Red + Infrared |
| ADC | 18-bit |
What is the operating voltage?
3.3V – 5V.
MAX30100 or MAX30102 – which is better?
MAX30102 gives cleaner readings and uses less power, so it is the better choice for new projects.
Is it a medical device?
No, it is for learning and prototyping only.
Can I buy the MAX30102 Pulse Oximeter Sensor (GY-MAX30102) in Kanpur?
Yes – buy online with delivery across India, or pick it up from the iTechBuilders store, Damodar Nagar, Kanpur.