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Alcohol and HRV

Wearing a clinical-grade photoplethysmography (PPG) sensor for a month

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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Instead of just counting beats, the Biostrap cloud services analyses the PPG waveform captured by the sensor.
Instead of just counting beats, the Biostrap cloud services analyses the PPG waveform captured by the sensor.
One month of Biostrap health data
One month of Biostrap health data
Biostrap sensors size compared to an Apple AirPod
Biostrap sensors size compared to an Apple AirPod
Biostrap iOS app dashboard and daily heart rate
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
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
Biostrap on the wrist - now you see me...
Biostrap on the wrist - now you see me...

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