Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.

Abstract: India is an emerging nation in many ways, mostly in the area of technology. One among them drone's usage is around the corner. Drones are employed across numerous domains and contain a broad ...

Abstract: Near-Field Communication (NFC) has enabled mobile devices to emulate contactless smart cards, which has also rendered them susceptible to relay attacks. Numerous countermeasures have been ...