An Arduino, a spent roll of toilet paper, magnet wire, and a few passive components are what’s needed to build this RFID spoofer. It’s quick, dirty, and best of all, simple. However ...

[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.

I just received my RC522 RFID reader ... is the Arduino pin where we connect the button that is used the reset the alarm. The relay is connected to pin 7 and the active buzzer to pin 8. On the next ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks ... short (and easily understandable) codes, or both. They're also perfect to do over the weekend and won ...