“Last year I’ve made two door lock projects. One was the keypad project and the second one was an RFID door lock project each with a 3D printed case and a servo to open the door.

He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap parts he had lying around: some DVD’s, ...

He’s constructed an Arduino keypad door lock — without using any proper fastening hardware! The entire build is made out of scrap parts he had lying around: some DVD’s, ...

DIY Keypad Door Lock. Whitson Gordon September 12 ... but Arduino fans will love this clever hack—especially if you're the type that locks yourself out of your room a lot.