Peter Gamma (Physiologist & Director) Meditation Research Institute Switzerland (MRIS)

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How to make an IoT Based Physiological Sensor Data Acquisition System with Heart Rate, Blood Oxygen, Body Temperature, Room Temperature & Humidity?

Instruction & Source Code:

https://how2electronics.com/iot-based-patient-health-monitoring-esp32-web-server/

IMPORTANT NOTE: The resolution of ADC of NodeMCU ESP8266 is 10-bit. This means, the output of ADC will be in the range of 0 to 1023. We need additionally an external analog to digital converter with at least 16 bit for research grade applications.