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 ...

While young children have the tiny hands and fingers that most hackers/tinkerers wish they possessed from time to time, their fine motor skills aren’t always up to par when it comes to operating ...