I have a quick question about a delay circuit.?
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.
Tagged with: breadboard • control panel • delay circuit • electronic kit • fire alarm • herd • latching circuit • pull boxes • resister • strobe • timer
Filed under: Electronic Circuit Diodes
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Study this site how to compute time delay between input and output.
http://www.uoguelph.ca/~antoon/gadgets/555/555.html