Technology & Health

What Is a Smart Diaper, and How Does It Work?

Technology and Health

What Is a Smart Diaper, and How Does It Work?

A smart diaper is a convenient underwear with an RFID sensor that alerts parents when it’s time to change the baby. The sensor, developed by researchers at MIT, doesn’t bulk up the diaper. It’s simply embedded in the hydrogel found in disposable diapers. The hydrogel expands when the diaper is wet and triggers a tag to send signals to the RFID reader within one meter radius. All this happens without the use of batteries.

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