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.

Opening the 30-year-old unit, he probed a row of screw terminals and identified a 13V supply, ground, and the connection to the buildings’ door lock. He connected the lock terminals to a relay ...

The Yale Approach Lock with Wi-Fi + Keypad is our pick for deadbolt adapter locks. It should work with most any single-cylinder deadbolt, is easy to install, and works quickly and reliably.

as other electronic locks in the Yale Code's price range are often criticized for being too noisy or unreliable. Anyways, the new Yale Code keypad lock is available at the Yale web store for $99.

Choose between traditional key locks, electronic keypad locks, smart locks, or combination locks based on your preference and security requirements. 2. How can I ensure the security of my door ...