4 ms·

You could strap a band with a strong magnet around your tummy and have an IMU sensor below your mattress. It was a project I started and sampled it at 1 Hz, mul

You could strap a band with a strong magnet around your tummy and have an IMU sensor below your mattress. It was a project I started and sampled it at 1 Hz, multisampled with min/max/avg, but I never did anything with the data. Looking at the real-time stream the breathing was noticeable, at 2Hz it would probably be very useful, if you have the dedication to write the tools to analyze the data. I was thinking about doing this with a fanny pack where I put the sensor and battery pack in the fanny pack and a strong magnet at the opposite side of the strip in order to measure my breathing frequency during excercising.

jackschultz 1y ago
I've been curious about what the best way to recording breathing rates with wearables would be. Thought was a chest strap with springs to measure tension with higher tension being air in lungs. But you're talking about a different way. How does the magnet work to get rates? I'd want something that can get rates and volumes from mouth vs nasal and also tell which vent the air in coming into the lungs from. Probably a case of how much intrusion you want vs how intricate and correct the data is.