This system is a door security systems that unlocks the door using a password
The system consists of two ECUs, one for human machine interface, the other is for control.
It lets you create a password, then gives you two options, either to open the door or change the password, both of those options require the original password, if the password is false for 3 consecutive times, a warning message is displayed
Note: Password is enterd by '=' on the keypad
Download the project along with the proteus simulation Here.