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

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 a computer science student has a scheduling conflict and wants to attend two different classes that occur at the same time, what should that student do? In a session at the DEF CON 29 conference on ...