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Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
From what I understand, Smoke detectors send a constant 9V signal over a copper wire so that all your smoke detectors in the house can activate should one detect smoke.
Once the smoke has cleared, the constant 9V signal stops and the smoke detectors stop sounding.
I want to use the 9V...
Sorry, i wasn't quite clear with what I meant. My idea is for the relay to power a solenoid or some other mechanism that physically turns off the power switch.
Clipsal sell a product that goes into the power board that has a little arm that protrudes and physically turns off a switch adjacent...
thanks for such a quick reply! As I mentioned, I already have looked at the time delay circuit using 555 ic timer, but i can't use a push button override as I intend to use the relay to turn off the stove from the power board rather than near the stove or inside the kitchen.
Not exactly sure how to go about this and days of searching existing electronic diagrams has given me a vague idea of what components to use, but nothing concrete yet.
My idea is to intercept the wire coming from a smoke alarm that is used to link it to another smoke alarm and use the signal...
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