Hey, i am a fire alarm lover. My control panel is homeade using a 160 in one electronic kit. I have 1 bell and strobe, 3 pull boxes.

I have a latchning circuit created using a relay. But i want to create a delay circuit. (All pull boxes work with the latching circuit)

I have been told to use a 555 timer but at this time i dont have a breadboard or the timer. I herd i could use a capaciter and resister, but cant figure out how to wire it up.

I have capacicters, resisters, transisters, diodes etc.. all on the board (kit) i can use.

What i want is to have it so when any of the intiating devices are activated such as pull stations, it has a 1-3 second delay before the relay actives and then activates the alarm.

Anybody that knows how to help me would be greatly appreciated.

Thanks so much, Chris.

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Filed under: Electronic Circuit Diodes

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