Wigend Card Reader in Access Control System | Usage & Safety

Thesecurepass15 Apr, 2021Computer & Internet

Wiegand refers to the trade name given to the technology commonly used in card readers or sensors. The technology works through a Wiegand interface that consists of three wires that operate between the reader and the controller. Out of the three wires used in the Wiegand interface, one is common ground while the other two are for data transmission.