Wiegand protocol is named after John R. Wiegand. He discovered the Wiegand effect. Which is a physical phenomenon in which a special wire produces small magnetic fields. So this magnetic effect is used to transmit information.
Indeed, over 90% … Read more
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The access control system consists of putting in place means to filter the access of people to certain places. It allows authorized people to enter through the controlled doors. However. In case of fire. It could prevent … Read more
Read More »The Locksmith and security systems are professions that go in a same one direction. Locksmithing was the first technique to secure buildings and areas. It remains so until today. Thus, security systems still rely on locksmith. Nevertheless it introduced electronic … Read more
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An electronic relay is an electromagnetic switch operated by an electrical signal from an outside source, then opens or closes a circuit. We use very often relays in security systems.
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The security systems wiring is about data transmission and powering devices. The installed equipment and data quality determine the cable to use. Also the distance of cabling
Even though security devices call for low voltage current (24V or 12V), the … Read more
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