Re: IR Question

["Dan" <dtoma@xxxxxxx>]

Hi,

just another question (today it seems that I have a lot)....:-))

What is your range with your output interface? I see no specific
configuration for IR out (for strong pulse).

Dan
  ----- Original Message ----- 
  From: Stuart Whyte 
  To: 'ukha_d@xxxxxxx' 
  Sent: Tuesday, October 22, 2002 5:10 PM
  Subject: RE: [ukha_d] IR Question


  Dan,

  > I don't know your extender, but I have done it with the Alcad
  > IR extender
  > (through the mains version).
  > If it is RF based, then is much more simple (no need for opto
  > couplers).

  The extender I use is here: http://www.geocities.com/nigelorr/ir_extend.html


  > You can take the signal from the DTR pin and using a single
  > transistor with
  > the collector connected to the output of the IR receiver IC
  > (TSOP 17xx or
  > similar). This is all.

  Could you explain this a bit more? I'm looking to make the PC
transmit to
  the bus
  > 
  > Another simple posibility is to put a LED at the TxD output
  > through a small
  > resistor and a reverse diode(for protection) in the front of
  > the extender
  > receiver....then put IRM or infrared plugin in Tx mode and..
  > again this is
  > all... is after you which way you choose.

  I really want to take the optical part out of the equation


  S.

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