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Help designing an LED door lock circuit
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ppereira
electronics forum beginner


Joined: 16 Oct 2006
Posts: 1

PostPosted: Mon Oct 16, 2006 3:36 am    Post subject: Help designing an LED door lock circuit Reply with quote

I need help designing a door lock circuit using a bipolar LED which shows red when locked and green when unlocked. Both the lock and unlock wires are 12V constant except when the switch is pressed whereby the voltage on either wire drops to zero momentarily and then back to 12V. Any ideas?
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