Tracking respiratory frequency 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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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

Charging Biostrap is easy - Battery lasts up to 5 days

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

... now you don't - Biostrap wears well and easily goes under your sleeve

Biostrap sensors size compared to an Apple AirPod

Biostrap iOS app dashboard and daily heart rate

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Tagged

Data Design Experiment Lifestyle Heart Review Sensors Sport Watch

Articles (155)

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
2024-09-10 I see dead people
2024-05-11 Developing a native iOS app
2024-03-24 Half Marathon
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
2023-11-01 And... there is light!
2023-10-14 Giving AI Training
2023-10-13 Hello, stranger
2023-08-23 The Same, Differently
2023-05-31 Impact of training
2023-05-08 Tablet as Tool
2023-05-03 Using AI to generate code
2023-05-01 Working Offline First
2023-04-20 Tips for Long-Distance Cycling
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2023-02-08 Back to the University
2022-12-22 Rolex DateJust 36
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2022-09-15 The Ultimate Freedom Bike
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2019-08-28 Riding with a power meter on your bike
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2019-07-16 Limitations of sleep tracking using a wearable
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2019-06-25 Assembling a cargo bike
2019-06-24 Six months with MCADD
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2019-05-24 Dig for dummies
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2019-04-25 Search like a pro: Google search operators
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2018-04-30 Off the grid: Working on 100% renewable energy
2018-04-18 Outside the comfort zone: amateur acting
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2018-03-07 Tablet as main computer
2018-02-24 Creating the ultimate commuter bike
2018-02-21 Updating Snake '97
2018-01-21 Something the smartwatch will never have: patina
2018-01-08 Lessons from a takeaway plastic bag
2017-12-02 Commuting by bike
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2017-09-14 Saving a MacBook Air with exploded battery
2017-09-02 Climbing Mount Etna
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