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RE: Re: DIY PCIR device
- To: <ukha_d@xxxxxxx>
- Subject: RE: Re: DIY PCIR device
- From: "James Hoye" <james.hoye@xxxxxxx>
- Date: Tue, 14 Aug 2001 09:38:43 +0100
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
ukha_d-owner@xxxxxxx
- Reply-to: ukha_d@xxxxxxx
> 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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