I am also making a alarm for my bed room it will have a button in my door frame so when it is let go and not pressed down the buzzer will go of the switch is a kill switch for the whole system and the led is a power indicator it's powered by a 5volt ac wall adapter
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Comments (2)
Not protoboard Need it
Why not just use reed switches? They use them for home security along with magnets that stick to doors and windows.