Don't cut a stuck smart ring off your finger because it usually makes things worse. If your wearable is acting weird, stop wearing it. Rechargeable batteries are everywhere. In our homes and cars, ...

Abstract: An intensity-modulated active intracavity rotation angle sensor was demonstrated based on a simple balloon-type fiber. The sensor leverages macrobending-induced loss, modulated by torsional ...

Abstract: In this letter, a vision-based high-resolution pressure array sensor with sensitivity enhanced by using visual light ring was proposed. The sensor consists of a transparent flexible layer ...

The Mailbox Guard is a device that detects when a new letter or package has been delivered to your mailbox using a PIR sensor and door reed switch. It can send a signal to your LoRa gateway, then the ...