Re: IR Question

["Dan" <dtoma@xxxxxxx>]

> I currently have an IR extender (a'la Nigel Orr) between my bedroom
and my
> Digibox in the living room.  What I want to do is have the output
from
Dan's
> Autom8it plugin controlling the Digibox as well.

It is perfectly possible right now.


> I would rather not have an IR emitter on the back of my PC
pointing
straight
> at a TSOP IR Receiver to add the signal onto the IR extender
bus.  Is it
> possible to put the output from the PC straight onto the bus??

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).

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.

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.

BR,
Dan

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