48-digit lock with password markus *translated into binary* 0 means lever is up, 1 means lever is down. to change the code, go into the wiring and remove and place torches behind the levers

just lengthen the wire to your house or whatever you need.

Additional Notes

and yes, you can put multiple in, just hook up the outputs to an and gate that way you could have any multiple of 48 for a lock!