The use of Radio Frequency IDentification (RFID) technologies is growing. Many different applications are implemented in various sectors, and used for very different purposes. RFID enables wireless ...

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 ...

If you’re unfamiliar with electronics-building kits, Arduino is part hardware, part software. It is an open-source platform that you can use to learn about coding and electrical components, or you can ...