I am trying to build a 555 one shot monostable multivibrator circuit, to sound a buzzer for about 2 second when a door opens and closes a N.O. (normally open) switch.
It does not work there is no sound when I close the switch.
Can you help me find my problem?
Thank you
steven
It does not work there is no sound when I close the switch.
Can you help me find my problem?
Thank you
steven
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