An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

Interface the keypad with Arduino using digital pins, which will capture user input. Step3: Use an RFID library (such as the MFRC522 library) to read and process RFID tags. Store the authorized RFID ...

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 ...

After acquiring Philadelphia-based Neiman Group, Boston ad agency Allen & Gerritsen found itself with two teams of employees separated by 300 miles. It presented an increasingly common problem: When ...