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itian059-grad-project/SpO2.md
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SpO2

Maxim’s proprietary algorithms for deriving clinical-grade accuracy pulse oximetry (SpO2) measurements from Red and IR PPG signals.

The algorithm uses the default settings for PPG measurements 2 and 3. Measurement 2 drives the IR (LED2) LED, and Measurement 3 drives the Red (LED1) LED. Both measurements sample PD1.

Heart Rate

The HR algorithm uses the default PPG settings for measurement 1, which drives the Green (LED1) and samples PD2 and PD3.