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.

He wrote a program that checks the browsers running on the PC and if one is in incognito mode, it sends a signal to the Arduino to lock the door.

This system was designed for a garage door. The bistable relay serves to disable the communication between the sensor and the Arduino in case there are more than 3 false scanner fingerprints, or ...