QlockTwo remakeMainGenerating high-quality sine waves with Arduino.Collin's Lab: Infrared heart sensor
After checking out a few projects involving IR heart monitors, I decided to have a go at the interface myself. Seen above are the results of my first experimentation with pulse oximetry. Getting the setup up and running satisfactorily required a bit more time and tinkering than I'd expected - especially after reversing a premature mod to my emitter/detector pair. The next version I try will either use a higher output emitter (see Charles Martin's version) or some amplification hardware (as used in Meng Li's sensor).
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