posted
how would i go about building a relay circuit to latch when a trigger is set (close circuit sensor) and unlatch from another trigger. what i want is to wire all of my system components to my airraid siren (it's loud as hell, but i don't want it going of when the regular siren goes off, just when something important is being fudged with)
so if something is moves (ie: amp pulled off rack) the air raid will scream and keep screaming till i kill it (unlatch the relay)
or would it be easier to just buy a cheap second alarm and install it and just leave it armed 24/7
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