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 ...
Arduino's Versatility Shines in Real-World Projects, Enabling Endless Possibilities HONGKONG, CHINA, November 27, 2023 /EINPresswire.com/ -- Driven by modern ...
There is always a tradeoff between security and costs. Since organizations can’t afford to place an armed guard at each door 24/7, they rely on video cameras, access control systems and intrusion ...
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