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Friday, April 01, 2011

Smoke sensitive circuit diagram




Here I am going to introduce you a very important circuit.It is nothing but a smoke sensitive circuit .In the market we can see there are lots of expensive smoke sensitive kits.But I'm going to give you a very simple method to make a smoke detector.Here i have used a dark sensitive circuit.When the smoke goes via LEDs and LDR it will generates a sound.If you want to operate another circuit firstly remove the speaker and add a really for there.then you can operate your circuit through that really.







Note

# Build this circuit on pcb

# Don't use more than 9V

#Use Blue colour LEDs

7 comments:

samrat said...

can anyone describe the circuit

RENUKA said...

wat is really??

Ekereuke said...

Give me d circuit diagram of a 5km Fm transmitter, it is my project topic and constructn steps. Tanks

kassimdandago said...

This smoke detector will be highly misbehaving because it is based on illumination. In a place where the light intensity continually changes, the result is highly intolerable.

Zam said...

Hi Kassimdandago

I think you can fix this problem after installing this circuit( LED and the LDR in a box).

Aashu me said...

Plz giv a brief description of the circuit

Firepro Nevada said...

Thanks for this valuable information, your idea is working best for me.

Las Vegas Fire Extinguisher Sales

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