[mythtv-users] Help:Act200L / SA3100 : I've read the backposts
Randy Beiter
merlinmy at camelot.org
Mon Jan 5 19:43:07 EST 2004
I recently built a homebrew transmitter and receiver to use with my Explorer
3100. I used the improved transmitter by Enrique Vidal and the simplest
receiver circuit. I decided on the simple receiver without the booster caps
because the output from my serial port was plenty strong enough for
my uses. Below find links to both circuits.
http://www.lirc.org/improved_transmitter.html
http://www.lirc.org/receivers.html (midway down the page)
Also, use the stock SA2000 lirc config file and add the frequency line
(frequency 56000).
Randy
On Mon, Jan 05, 2004 at 05:46:39AM -0800, Stuart Felenstein wrote:
>
> Which receiver did you build? I see quite a few listed on the lirc
> page.
>
> Stuart
> DBakker at arrayasolutions.com wrote:
>
> I used to use a 200L and had the same problems. I build the
> homemade
> receiver and added the transmitter diode to it (about 10 parts) and
> it
> works great. The lirc_sr module is locked at one frequency. This
> hasnt
> changed in the last 18 months and I dont see it ever. There are 2
> things
> you can do. 1. Fix lirc_sir or 2. Build your own blaster.
> Stuart Felenstein
> Sent by: mythtv-users-bounces at mythtv.org
> 01/05/2004 07:06 AM
> Please respond to
> Discussion about mythtv
> To
> Discussion about mythtv
> cc
> Subject
> [mythtv-users] Help:Act200L / SA3100 : I've read the backposts
> I'm trying to get the Actisys 200L blaster working with my
> Scientifc Atlanta 3100. I've read the older posts and they seem to
> lack
> resolution.! I've posted also to the lirc list which for whatever
> reason
> lacks much activity.
> Anyway the issue of the carrier frequency makes little sense (to
> me). A
> whole list of carrier frequencies are defined in lirc_sir.c,
> including the
> much noted 57000 and up.
> So, if someone can explain to me why would this be the issue?
> Everthing seems to be working fine on the cable box remote ->
> actisys.
> Meaning I can do an irw, albeit it's slightly weird as directly
> pointing
> it seems to not work, but holding the remote and beaming over the
> top of
> the blaster picks up the codes just fine.
> irrecord is slightly bizarre but it does allow me to define buttons
> and
> records them, creating the file for lircd.conf. Using rc commands
> and
> change_channel.csh I can see the red light working inside the
> blaster, so
> no problem there. Pointing it at the cable box is where it all
> seems to
> fall apart.
> I know about the distance issue (blaster to ! box) and I've
> experimented
> with no success.
> Has anyone got this combination to work ? If it's truly a frequency
> issue
> with lirc_sir then I don't understand why it can't be fixed (yes I
> would
> take it up with the lirc people). Windows aka. girder or snapstream
> or
> top100tv all pick it up and configure it just fine.
> Last comment, and this isnt meant to be rude , please no "build
> your own
> transmitter" suggestions. I'm well aware of that option but seeing
> as how
> Lirc supposedly suppport the blaster, it should be relatively easy
> to
> accomodate similar types of cable stb's.
> Thanks
> Stuart
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