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How to measure stable SPO2 data through ADPD144ri?

Question asked by 乔明蕊 on Apr 25, 2018
Latest reply on May 16, 2018 by Buckley


   Our team is developing a SPO2 measurement instruments by ADPD144.  However, several problems were found.

The first one, the optical sensor VREF voltage ac coupling measurement was a sawtooth wave;

the second, through the FIFO continuous read the IR and RED 500 sampling data is change each channel;

Third, cover the sensor with your finger, the data is unchanged;

the fourth one, can you help provide demo code?