Re: Re: DIY PCIR device

[Jeff <ukha@xxxxxxx>]

Was Nigel's circuit on a webpage somewhere ?

Jeff.

----- Original Message -----
From: "James Hoye" <james.hoye@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Tuesday, August 14, 2001 9:38 AM
Subject: RE: [ukha_d] Re: DIY PCIR device


> > Building your own demodulator (or buying one off the shelf - does
> > Keith still have any TSOPS), and then digitising the signal
without
> > the carrier and then later playing it back into Nigel/Ian's IR
> > transmitter (the famous HA IR extender) which includes harware to
> > generate the carrier would also improve things. It should be
possible
> > to get this going with your existing software relatively
easily...
>
> Ian Bird is in the process of building a PIC based intelligent IR
repeater.
> Currently he can (using the PIC) modulate the output from a TSOP onto
a
> 38kHz carrier.  Sending the demodulated data from the PC should prove
easier
> as the timing will be less critical (at 38kHz each peak is approx 26
micro
> seconds long)
>
> This may be a more viable option than the PCIR circuit.  Of course,
Nigel's
> 555 based circuit as mentioned above should also work well.
>
> James H
>
>
> For more information: http://www.automatedhome.co.uk
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