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   Message 5,725 of 7,706   
   Wombat-Pipex-News to John Fields   
   Re: Circuit Problem - Take 2   
   14 Jun 07 17:36:51   
   
   From: wombatppc@nospam@dsl.pipex.com   
      
   "John Fields"  wrote in message   
   news:vup273davvcekkuicik5cu08lvuv5fh8b8@4ax.com...   
   > On Thu, 14 Jun 2007 07:14:54 +0100, "Wombat-Pipex-News"   
   >  wrote:   
   >   
   >   
   >>Hi John.   
   >>Thats not realy what I wanted to do.   
   >>I know I could make it all work fine from scratch, But I wanted somthing   
   >>that would plug in between my existing boards.   
   >>the ? in my diagram is where it would need to be.   
   >>I dont think the above diagram would do that.   
   >   
   >   
   > ---   
   > If you want the LED to come on when the lamp is off, this should do   
   > it:   
   >   
   > .           +------------------+   
   > .           |        NEW       |   
   > .           |                  |   
   > .           |         VREG     |   
   > .           |          |       |   
   > .           |         [R]      |   
   > .   +V      |          |       |   
   > .    |      |          +------<|<--[R]--+--[INVERTER]--[R]--+   
   > .  [LAMP]   |          |       |        |                   |A   
   > .    |      |          C       |       [R]                [LED]   
   > .    +-----<|<--[R]--B 2N3904  |        |                   |   
   > .    |      |          E       |       GND                 GND   
   > . [SWITCH]  |          |       |   
   > .    |      |         GND      |   
   > .   GND     +------------------+   
   >   
   >   
   >   
   > --   
   > JF   
      
   Thanks John   
   Ill give that a pop, and let you know if it works.   
   Did you get the files I sent you via e-mail.?   
      
   Regards   
   Wombat   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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