RE: IR Question

[Stuart Whyte <lists@xxxxxxx>]

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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