Digital Code Lock

Its a simple circuit of digital lock system which can be used as security system along with a door operated with motors to open or close the door or it can be used anywhere where we require intensive security.

In this digital code lock, we have used a microcontroller as the brain of security system. A default password is set when the program is burnt in memory of microcontroller. An electronic display is used to for interaction with this security system and provides interacting medium with the user.

Circuit schematic:

Source Code:

Finished Product on Home made PCB:

Bottom Side PCB

Top Side PCB

Top Side Silk