Advanced 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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Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.

The Biostrap wrist PPG sensor next to a Swatch Sistem 51

Apple HealthKit aggregating data from different sources and devices

The Biostrap PPG sensor is about as thick as a watch

Biostrap iOS app dashboard and daily heart rate

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

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Articles (156)

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2024-12-19 Data versus Feeling
2024-12-09 The Problem With Bitcoin
2024-11-11 Write your own words
2024-11-10 Go Viral on X
2024-10-20 Marathon
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