ESP32 Heart Rate & SpO₂ Monitor project using MAX30100 Overview This project is an offline Heart Rate and SpO₂ monitor using the ESP32 microcontroller and the MAX30100 Pulse Oximeter sensor. The data ...

Hi, I have a problem with max30100 working, it is working only with 5v, but it is not working with 3.3v..what is the problem, please??