Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Looking for a smoke sensor circuit

Status
Not open for further replies.

devilmp4

Junior Member level 1
Junior Member level 1
Joined
Aug 26, 2008
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,380
hey all. anyone have smoke sensor circuit that you can share with me?(=. thanks
 

amol_shah

Full Member level 3
Full Member level 3
Joined
Apr 21, 2008
Messages
151
Helped
31
Reputation
62
Reaction score
15
Trophy points
1,298
Location
Nasik
Activity points
2,034
project on smoke sensor with circuit

basically smoke sensor is an opto isolator (IR Tx and IR Rx) so when smoke particles come in between the Tx and Rx there is change voltage at the RX side
 

    devilmp4

    Points: 2
    Helpful Answer Positive Rating

devilmp4

Junior Member level 1
Junior Member level 1
Joined
Aug 26, 2008
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,380
Re: smoke sensor

ohh thanks for your reply.Do you have a circuit design for that?it will help me alot if you happen to have it. (=
 

amol_shah

Full Member level 3
Full Member level 3
Joined
Apr 21, 2008
Messages
151
Helped
31
Reputation
62
Reaction score
15
Trophy points
1,298
Location
Nasik
Activity points
2,034
Re: smoke sensor

sorry do not have the ckt, connect the receiver side to a op amp in comparator mode
 

    devilmp4

    Points: 2
    Helpful Answer Positive Rating

devilmp4

Junior Member level 1
Junior Member level 1
Joined
Aug 26, 2008
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,380
Re: smoke sensor

oh okie thanks anyway.the motion sensor circuit u sent me looks complicated =(( . ahah.
 

devilmp4

Junior Member level 1
Junior Member level 1
Joined
Aug 26, 2008
Messages
15
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,380
Re: smoke sensor

hey joby, thanks for that. but my smoke detector required to be controlled by 8051.Do u have any idea on how i could do that?
 

joby16

Member level 3
Member level 3
Joined
Oct 23, 2006
Messages
63
Helped
13
Reputation
26
Reaction score
3
Trophy points
1,288
Activity points
1,615
smoke sensor

Hello,
You can use 8051 also in the place of TI controller. Check the specification of the TI controller pins and find out the equailent pins from 8051. If the specs are matching then u can just replace the controller. You may find an 8051 variant with inbuilt ADC. Actually the TI controller has very low power requirement. If you dont have any power constrains then there is no problem of using 8051. As I mentioned in the previous post design of the chamber is very important.

Regards,
Joby
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top