MAX32664 HR Sensor IBI Measurements

I am using the SparkFun Pulse Oximeter and Heart Rate Sensor. The SparkFun Bio Sensor Arduino Library has been very helpful in getting started with this sensor.

I would like to collect interbeat interval (IBI) data. Is the MAX32664 that is on-board this module able to provide IBI measurements?

IBI is listed in the MAX32664 Quick Start Guide here:

https://www.analog.com/media/en/technic … 32664a.pdf

However I don’t see it mentioned in the MAX32664 User Guide provided by SparkFun.

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It looks like maybe you can put it into RAW mode and then turn on the HR/SpO2 algo that way? You might need to put it into bootloader mode first…not sure https://github.com/sparkfun/SparkFun_Bi … ibrary.cpp has a function for such

I have the same question! Any success using that library?