[mythtv-users] LED recording indicator

[Ashley Bostock]

Sounds impressive, got a circuit diagram and/or any pics if it?

Ash.


On Tue, 25 Jan 2005 07:52:09 -0500, David George <david at thegeorges.us> wrote:
> On 1/24/2005 11:50 PM, M. Barnabas Luntzel wrote:
> 
> > something I liked about my (now unplugged) tivo, was that I could tell
> > it was recording by the red light on the front panel.
> >
> > so I was thinking, how difficult would it be to make my own? Couldn't
> > be much more difficult than making your own IR blaster. pport to LED,
> > USB to LED. maybe even one of those USB lamps for sale could be
> > purposed for this.
> >
> > anybody else thought about / done something like this?
> 
> A friend and I built a fairly sophisticated one that supports LED's for
> up to 5 tuners (actually could support up to 15 if you want to).  The
> tuner LEDs are bicolor so they are green when not recording and red when
> recording.  It was done this way so you could see which ones are
> recording in a dark room.  We use the myth backend protocol to get tuner
> status, so it should work if you have slave backends also.  It also has
> a system error light, and a message waiting indicator.  We also built in
> a switch with LED status to switch between two HDTV antennas, but
> haven't finished support for that part of it.  I added some additional
> code to the backend protocol to query for low disk space and low guide
> data to set the system error light.  If we can't communicate with the
> backend we flash the system error light.  Also, the message waiting
> indicator queries the backend for messages in the voice mail database
> that I wrote.  It may be able to be modified to work with MythPhone, but
> I haven't looked at MythPhone yet to see what would be involved.  It
> isn't necessarily cheap or easy to build and it does use a serial port,
> but it is really cool!
> 
> Here is a thread on another alternative:
> http://gossamer-threads.com/lists/mythtv/users/73657?do=post_view_threaded
> 
> --
> David
> 
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