The project shows the design of dual programmable keypad code lock that is based on a PIC16F452 microcontroller. The keypad has a cable length of up to 100m and up to two keypads can be connected to ...

Fortunately, the Code Note required to help us figure out the solution to this keypad isn’t too far, and cracking the code won’t take you too long once you find this note. Without further ado, here’s ...