[mythtv-users] Advice on IR blasters
mythtv at derdev.com
mythtv at derdev.com
Wed May 12 13:19:46 UTC 2010
On Tue, 11 May 2010 11:26:28 -0400, Dan Wilga
<mythtv-users2 at dwilga-linux1.amherst.edu> wrote:
> On 5/11/10 9:57 AM, Michael Tiller wrote:
>> I've seen mention of USB-UIRT devices they seem a bit pricey and don't
>> even seem to come with an emitter (just a port for it) and I've not
>> clear how good the support for them is.
>
> I've been using one for several years. LIRC supports it just fine,
> though I have had trouble getting it to blast to one TV. But, for my
> equipment which does work, it's great.
>
> Given that I'm about to have one MBE and several FEs, I've decided to go
> a completely different route. I've got one of these:
>
> http://www.amazon.com/gp/product/B000FL9E6U
>
> and have started to buy an additional remote (without the base) per FE.
> These remotes communicate very quickly with the base, which then blasts
> the IR signal to the receiver on my HDHomeRun. LIRC is running on the
> MBE, which decodes the signal. Each FE connects to LIRC on the MBE.
>
> This has several big advantages over using IR receivers on each FE:
>
> - It's much faster. I've had to add delays to keep my main FE from
> repeating too quickly. My old 2006 MacBook Pro now has a real remote,
> without any additional hardware, which is faster and has many more
> buttons than the Apple Remote.
>
> - I no longer have to point the remote directly at an IR receiver to
> control Myth.
>
> - I'm using a single remote configuration which is cloned to all of the
> others. This allows me to use any remote in any room, just by choosing a
> different "device" on the remote.
>
> - In the future, I plan to have the MBE power the appropriate FE on via
> wake-on-LAN when a TV Power On signal is received from the remote. WOL
> seems to be much more bullet-proof than worrying about whether or not
> your FE-attached IR receiver will work correctly when the FE is asleep.
>
> - I have macros set up to switch the TV and amp (via IR) to the correct
> mode, when choosing between different video sources in the same room.
>
> - I also plan to integrate home automation using these same remotes,
> since the MBE also controls the house.
>
> The only down sides I can see are:
>
> - If a neighbor or something else in my house happens to use the same
> radio frequency as the remote, there could be signal loss or unexpected
> keypresses.
>
> - While initial testing is promising, I'm concerned that four people all
> using their own remotes at once might cause problems for the one base
> station. Only time will tell.
>
> One of these days, I'll try find the time to write up a wiki article
> describing the whole setup, if anyone is interested. The lircd.conf is
> pretty massive, since each FE is essentially treated as a different
> device in LIRC.
Dan, I'll give you the "second" to go write that wiki entry, sounds
interesting!
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