Next time we’ll show you how to make the permanent version of the keypad, walk through the code for the Arduino, make the PC board, cut a custom wall plate, and install the lock strike.

The final test is the actual lock code. If the keypad state matches the predefined code, then the pad glows green and the door lock is opened for about 5 to 10 seconds.

He has fashioned an Arduino-powered door bolt that locks itself whenever you open an incognito browser window. Always nice when a computer gives you a helping hand.

Electronic and Arduino enthusiasts searching for an Arduino project to keep them busy this weekend may be interested in a new Arduino Mega fingerprint door lock.

Perhaps you could create an Arduino device to lean on the door right before the Arduino device bolts the door. It's not clear if the lock unlocks the door when you close that incognito browser.

Put Arduino to work protecting your secrets. This project is a keypad-controlled lock that will allow the user to select a six-digit secret code and lock out anyone without it.

Electronics enthusiasts looking for a new project to keep them busy this weekend may be interested in this awesome fingerprint garage door lock which is powered by Arduino and has been created by ...