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'Fitbit for the Face' Can Turn Any Face Mask into Smart Monitoring Device

By Northwestern University Newscenter

January 14, 2022

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Researchers at Northwestern University have developed a sensor that they say can transform any face mask into a smart monitoring device.

The FaceBit sensor is lightweight, the size of a quarter, and attaches to any N95, surgical, or cloth face mask with a tiny magnet.

FaceBit can measure the wearer's real-time respiration rate, heart rate, and time wearing a mask, as well as mask fit.

The data is transferred wirelessly to a smartphone app, which can alert users to issues like elevated heart rate or mask leaks.

The sensor currently is powered by a small battery, but the researchers are confident it can be adapted to harvest energy from its environment.

From Northwestern University Newscenter
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