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.

The security flaws on this common hotel keycard lock are nothing short of face-palmingly stupid. Look closely at the picture above. This is a hotel room door swinging open. The device he holds in h… ...

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 ...