[mythtv-users] Re: Lirc and home bru transmitters

jds jds-myth at losdos.dyndns.org
Sun Jun 13 09:12:14 EDT 2004

for a complete HOWTO on configuring a simple IR LED transmitter
to work with a DISH receiver, see
or the mirror


> Date: Sat, 12 Jun 2004 14:26:20 -0700
> From: Rick Schultz <rick at xxx>
> On Wed, Jun 09, 2004 at 11:00:12AM -0400, Brian Boyle wrote:
>> I have been looking all over for information about how to get my
>> transmitter to speak to my OLD Echostar 2700 sat receiver.
> I'm not quite sure what the problem is, but I ran into a few issues
> recently while building my transmitter.
> The first pair of IR LEDs I bought apparently emitted the wrong
> frequency of light to work with any of my equipment.  I got another set
> of 940nm LEDs, dropped them into the same circuit, and they worked
> perfectly.  Since your transmitter apparently works, I wonder if maybe
> the Echostar operates on a slightly different wavelength.  (Although
> that wouldn't explain why your learning remote would work).
> Also, while testing my transmitter against my DVD player, I noticed that
> rc's SEND_ONCE option wasn't enough to get the player to respond: the
> same code has to be repeated a few times for it to notice.
> I also ran across this:
> http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&selm=MPG.12dd5e0fcaf6e7f998968c%40news.fmr.com
> which suggests blocking out room light and moving the transmitter LEDs
> right
> up against the receiver might help.  If none of this helps, I'd suggest
> googling for "echostar 2700" and "ir led" or "ir blaster" - it looks
> like others have had problems, even with commercial hardware.

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