Moisture-sensing Diaper Made With Flexible RFID Tag

The newly-developed flexible wireless tag. The lower left circuits are the rectifier circuit and electrostatic protection circuit. The lower right circuit is the ring oscillator that functions as a moisture sensor.

The newly-developed flexible wireless tag. The lower left circuits are the rectifier circuit and electrostatic protection circuit. The lower right circuit is the ring oscillator that functions as a moisture sensor.

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