Replacement code lock for LS7220 base systems

in code by DP | 0 comments

lockchip_dip18

Dilshan Jayakody presents an alternative design for LS7220 base code locking systems:

LS7220 is a “hard-wired” code-locking system, but this simulated system provides both “hard-wired” and customizable (re-programmable) code locking options. This re-programmable feature provides some higher degree of protection to the system and it allows user/administrator to change system’s code at any given time by without changing the wiring layout(s) of the system.

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