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M5StickC_SpO2

Not guaranteed

The value from sensor is noisy and not-stable. This software reduce such noise, but it may still include issues.

How to use

  • Put your finger on the Heart Unit after turning on M5StickC.
  • Measurement takes more than 30 sec (normally more than 60sec because of instability).
  • After the measurement, such as the following result is shown.

Measurement

  • This software gathers 30 probable samples.
  • To get probable samples, analyze data to remove invalid (seems bad) samples.
  • Re-measurement is automatically started if the measurements were doubtful by the analysis.
  • The measurement as treat as valid is in the range as followings.
    • Heart Rate (HR): 40-250
    • SpO2: 70-100
  • After getting 30 probable samples, the result is shown.

Build

  • Include MAX30100lib library before compiling ino file on Arduino IDE.