Uploaded August 2025 | Updated September 2026, 2 weeks ago

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𝗔𝗯𝗼𝘂𝘁 𝗧𝗵𝗶𝘀 𝗩𝗶𝗱𝗲𝗼:
In this tutorial, we’ll show you how to use the MAX30102 Pulse Oximeter sensor with an Arduino board and an OLED display to build a compact, real-time health monitoring system.

The MAX30102 can measure:
1. Blood oxygen level (SpO2) – displayed as a percentage
2. Pulse rate (BPM) – beats per minute
3. Body temperature – an extra feature not found in many other pulse sensors

We’ll walk through:

1. Wiring and interfacing the sensor with Arduino
2. Displaying live SpO2 and BPM readings on the OLED screen
3. Implementing automatic display shutdown when not in use to save battery
4. Performing basic calculations to show average readings over time

Just place your finger on the sensor, and watch your vital signs appear instantly. This is a great project for anyone interested in DIY health monitoring, wearable tech, or Arduino-based biomedical devices.

𝗦𝗼𝘂𝗿𝗰𝗲 𝗖𝗼𝗱𝗲 & 𝗪𝗿𝗶𝘁𝘁𝗲𝗻 𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹: how2electronics.com/max30102-arduino-heart-rate-blood-oxygen-monitoring
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