Can’t find a pulse oximeter? Create your own!
As John Keefe notes in his project writeup, at-home pulse oximeters — which monitor the oxygen saturation in your blood — have been selling out due to the COVID-19 pandemic. While you could try hunt around and find one, he decided to instead make his own device using a SparkFun Pulse Oximeter and Heart Rate … Continue reading Can’t find a pulse oximeter? Create your own!
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