Collecting oxygen saturation with Biostrap

Wearing a PPG sensor

Nov. 15, 2017 - Willem L. Middelkoop

Most wearables (smartwatches, fitness trackers, etc.) use very basic sensors to capture heart rate. Their signal is binary: just counting beats. Biostrap is different, instead of just checking pulses, it captures a high-fidelity PPG waveform. These waveforms are the same kind that doctors use, making me wonder what I could learn from them!

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Heart rate variability (HRV) as measured and explained by Biostrap

Biostrap on the wrist - now you see me...

Unboxing Biostrap: it comes well packed in a nice box.

On the bottom you can see the two red LED's and the PPG sensor. Just like the Swatch Sistem51 movement this is hidden when worn on wrist

The Biostrap wrist PPG sensor next to a Swatch Sistem 51

Apple HealthKit aggregating data from different sources and devices

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Data Design Experiment Lifestyle Heart Review Sensors Sport Watch

Articles (148)

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