TM1990A-F5 iButton Smart TM Card

From the shop's description

TM1990A-F5 iButton Smart TM Card The TM1990A-F5 iButton Smart TM Card is a compact electronic identification device designed for reliable data exchange through a single-wire communication interface. It is housed in a durable metal button-style package, making it suitable for applications where a small, rugged, and reusable identification token is required. The device can be used as an electronic key or identification token in access-control systems, attendance machines, equipment management systems, lockers, security systems, and other embedded applications. Its simple contact-based interface allows a compatible controller or reader to communicate with the device without requiring a conventional multi-pin connector. Features: Compact and durable iButton-style design. Contact-based communication. Simple single-wire interface. Suitable for electronic identification applications. Reusable identification token. Easy integration with microcontroller-based systems. Suitable for access-control and authentication systems. Low-power operation. Rugged metal housing. Specifications: Parameter Specification Model TM1990A-F5 Device Type iButton / TM Smart Card Communication Interface 1-Wire Communication Type Contact-based Data Storage Identification / memory data Package Style Metal button / iButton Operating Voltage 3.0V to 5.5V Supply Current Low-power, application dependent Communication Lines 1-Wire data + GND Mounting / Connection Contact reader Application Type Identification and authentication Applications: Electronic key systems. Access control systems. Door and locker access. Security and authentication systems. Attendance and time-recording systems. Equipment identification. Asset tracking. Industrial identification systems. Embedded identification devices. Microcontroller-based access systems. Package Includes: 1x TM1990A-F5 iButton Smart TM Card. Documents: TM1990A-F5 Datasheet.