With the mechanical portion of the project out of the way, he spent a great deal of time working on the door’s electronic components, including the PIC-based controller and capacitive keypad.

A wallet-friendly option, mechanical locks are easy to operate. Just program a code (or codes), then use the buttons on the keypad to gain entry. Most of these options will have an auto-lock ...

The keypad is illuminated to improve legibility in the dark, a mechanical key is included to ... the Yale Code apart from other "non-smart" locks? Unfortunately, Yale's sales pitch seems to ...