A black technology that makes items “glow and speak” – Passive RFID LED Tags
Passive RFID light-emitting tags are essentially electronic ID cards with built-in “light-emitting skills,” consisting of three parts: ※ Passive RFID chip: No battery required; it harvests energy from radio waves emitted by a reader. ※ Miniature energy-harvesting antenna: Converts RF signals in the air into electrical energy. ※ LED light-emitting unit: Lights up upon receiving […]