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, ...

“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.