If you are looking to build a simple RFID-based security system to secure your important ... If the card is on the list, the Pi triggers the door lock using a signal line originally designed ...

Saflok keycard systems are installed on roughly ... recognize the vulnerable locks by their distinct design — a round RFID reader featuring a wavy line running through it. If it is a Saflok ...

There is literally nothing to see here. He’s rigged up a hidden RFID reader which locks and unlocks his workstation. The security of the system depends on xscreensaver, which has a password ...