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Biostrap on my wrist

Using 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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Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.
Comparing the quality of sleep during two different nights. Being awake more often reduces quality of sleep.
... now you don't - Biostrap wears well and easily goes under your sleeve
... now you don't - Biostrap wears well and easily goes under your sleeve
Charging Biostrap is easy - Battery lasts up to 5 days
Charging Biostrap is easy - Battery lasts up to 5 days
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
The box contains three straps, charging cable, charger and two sensors
The box contains three straps, charging cable, charger and two sensors

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