[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 build is made out of ...

[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 build is made … ...

The door stays locked at all times, and punching in the right keycode just turns the handle from the inside. It's an pretty slick way to work around dorm rules, as well as making a system that can ...

After testing six different models, we've found the best electronic keypad lock.

The best keypad door locks: Reviews & Recommendations Why a keypad door lock? We asked Erik Glassen, senior manager of brand marketing at Spectrum Brands, just that.

The smart lock leader focused on price and ease of use to deliver this keypad deadbolt, which doesn't offer wireless connectivity.