I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader, a buzzer for the alarm and a relay shield for the security system. The relay can be used ...

The best access control systems allow a business to secure their facility, controlling which users can go where, and when, along with creating a record of the arrivals and departures of folks to each ...

Considerable attention must go into maintaining the security of property. Installing a door access control system makes the procedure simpler. A good access control system improves security and adds ...