[mythtv-users] Using homebrew ir transmitter to control Scientific Atlanta Explorer 3100 [tip]

Randy Beiter merlinmy at camelot.org
Sun Dec 28 11:40:41 EST 2003


I went the route of an IR transmitter that aims at the cable box.
There are several ports on the Explorer 3100, but with a lack of 
documentation readily availble on how to interface via them, I
took the path of least resistance. 

Randy

On Sun, Dec 28, 2003 at 12:53:37AM -0800, Stuart Felenstein wrote:
> 
>    Is  the  transmitter  of  the  type that is aimed at the 3100 or plugs
>    directly into it ?
> 
>    The 3100 has an ir port , just not sure if you can use it.
> 
> 
> 
>    Stuart
>    Randy Beiter <merlinmy at camelot.org> wrote:
> 
>      This is just an FYI email for anyone who may benefit. I built
>      both the simple and improved transmitter circuits on lirc.org but
>      could not get them to control my cable box. However, using my palm
>      pilot's  remote  control  software, I was able to learn a code from
>      the
>      homebrew transmitter and control the cable box just fine - the
>      trick ended up being to add the following line to the standard
>      SA2000 configuration provided in the remotes directory of the
>      lirc distribution. I noticed in the palm's configuration, it was
>      set  to  a  frequency of 56k, and sure enough that made my Explorer
>      3100
>      happy.  I  also  successfully made use of Robert Wamble's tweaks to
>      run
>      two  simultaneous  lirc daemons - thanks for posting your steps and
>      scripts!
>      frequency 56000
>      (I added this right below the gap line)
>      Hope  this  helps someone. Now I just need to e! nclose the circuit
>      so
>      it's not quite so fragile.
>      Randy
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