He’s constructed an Arduino keypad door lock — without using any ... entire setup is held up rather artistically using good old duct tape. The system auto-locks after 5 seconds, and just ...

This is a hotel room door swinging open. The device he holds in his hand is an Arduino ... through the system. We’re no strangers to easy hotel beak-ins. But how can a digital lock possibly ...

Linking the Arduino to another device, such as a speaker, will allow you to set up a chime that will trigger if the door is ...