![AVR project electronic lock](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEigk55e9FhV11o4qsZ2zBZn6SMh8icm6V7Y-8j-0AqmZsvxJ37Wntk4W-blLYPEqj_r_mw-Kj0U2U0f_-BImloAlrUKfT8bBeChoEu6qhNOrnAdbWw-RQV-bD8oOa9o2-Q7Nb-OUkeQp8tr/s400/AVR+code+lock.jpg)
CodeLock AVR is electronic combination lock based on AVR microcontroller AT90S2313 or ATtiny2313. User code is consisted of 1 to 8 digits. If the code is entered in the correct sequence, then after 1 second the relay and the electric striker (in the door) switch on for 1 second and then switch off again. User code can be changed via 3x4 matrix keypad. Program in hex code is 2 kB long.
tag : electronic lock, combination keylock, Avr project src