Advanced stress levels with Biostrap

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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One month of Biostrap health data

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

Apple HealthKit aggregating data from different sources and devices

Instead of just counting beats, the Biostrap cloud services analyses the PPG waveform captured by the sensor.

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

Biostrap it's pretty much just like a Swatch, light on the wrist because of it's material: rubber and plastic.

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Data Design Experiment Lifestyle Heart Review Sensors Sport Watch

Articles (148)

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2024-03-05 No, I Won't Build That!
2024-02-16 Vision Pro
2024-01-16 Health and fitness data
2023-12-15 Backup Rotation Scheme
2023-11-10 Apple Watch as Phone
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