Hmmm... howz about attaching a phototransistor to the LED to use it to drive 
a circuit?
I don't have a schematic handy but I'm sure there's some out there...


                Ray, KB0STN

  ----- Original Message ----- 
  From: Rick Szajkowski 
  To: [email protected] 
  Sent: Friday, September 25, 2009 10:47 AM
  Subject: Re: [Repeater-Builder] Busy Signal (COS) inverter Circuit.




  thats fine to drive a LED .. but he has an LED and want to use that 'signal' 
to drive an input on a controller 

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