[Andrea] just sent us this great student hack he made for his room. He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire buil ...

Posted in Arduino Hacks, Microcontrollers Tagged access control, arduino, ATmega 328, door lock, parallax, relay, rfid, rfid reader ← We’re At HOPE X ...

Winner: Lock Your Drawer With an Arduino and RFID Blake is in the midst of a home automation project. Needing a way to keep his 2-year-old out of his desk drawer full of electronic parts, Blake ...

What's really neat, though, is that he didn't mess with the lock mechanism in any way. The door stays locked at all times, and punching in the right keycode just turns the handle from the inside.