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EK Keypad + Lock

USES EK
A "simple" keypad lock using the EK keypad that lets you lock something
CB Ouputs --
Pin 1 outputs a pulse on a correct code input when you press enter, hook up to toggle state on a door or something
Pin 2 is the current memory of the lock, hook up to a text display if you want to see what you are entering
CB Inputs --
Pin 1 is for the code, takes a pulse with a number 0 - 9 and adds it to the code
Pin 2 is for the accept/enter key, checks the code and outputs if correct, then clears the code
Pin 3 is the clear pin, use to clear the code and reset
Either hook up to correct pins on keypad, or use something else like some vanilla buttons and a label

I just did this for someone because I was bored, this has no use probably, just use a terminal