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Discussion in 'Electronic Design' started by [email protected], Apr 11, 2006.

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  1. Guest

    I am looking for someone to make a circuit for me. It is a simple
    circuit, but I would need iether a pcb layout so I can have it made, or
    someone to design and make it.
    It would have of 4 outside componants operating with it (supplied by
    me). 2 switches and 2 solenoid valves. The first switch would close its
    contacts on a rise in temp, imediatly energizing the 1st solenoid, then
    5 to 20 seconds later the 2nd solenoid would energize.(would need to be
    able to adjust the time delay from 5 to 20 seconds.) Upon depressing
    the 2nd switch, the first solenoid would imediatly de energize and 5 to
    20 seconds later the 2nd solenoid would de energize.(also adjustable.)
    Can anyone do this. All voltage is 12 vdc as it is an automotive
    circuit. The solenoids are small I do not have the OHM rating but are
    just fuel solenoids for tank selection.
    My contact info is 404-409-3098 Chuck ATL area.
    I would need one prototype I would be glad to pay for. then I would
    want to purchase them in lots of Twenty.
     
  2. Noway2

    Noway2 Guest

    There are many engineering consultants who have small scale production
    and prototyping capability. I would suggest that you try to search one
    out. While your post may get you some responses from interested
    parties, your better bet would be for you to find and contact one.
    Finding one in your area may be helpfull, but isn't necessary. You
    could also consider seeing if any local assembly houses offer this type
    of service or could refer you to a local contract consultant who can.
     
  3. On 11 Apr 2006 05:03:35 -0700, in sci.electronics.design
    You could download some software from
    http://www.pcb123.com/
    and see if you could design it yourself


    martin
     
  4. Hmm... The electronics themselves will not be a big problem, it's the
    environment that will be the challenge. Automotive is known to be pretty
    rough with all kinds of spikes, surges and other disturbances on the 12V
    boardnet. A lot of it also roams in the air so it's almost an art to keep
    them away from the (input)signals. Nevertheless I'd like the challenge but
    I'm in Europe so guess it's a little bit too far away.

    petrus bitbyter
     
  5. Guest

    Thanks, I will try that. I am not ussually good at those things. I have
    a copy of autocad and struggle with it. Maybe this will be easyer.
     
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