RF Transmitter.... Like a USBUIRT? - AVS Forum
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post #1 of 5 Old 08-05-2014, 11:18 AM - Thread Starter
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RF Transmitter.... Like a USBUIRT?

I have a mix of RF and IR equipment in my media center. One of the coolest things I can do is send commands via web browser to an application called EventGhost on my HTPC, which can translate virtually any HTTP command into virtually any IR code and broadcast it out via my USBUIRT.

Is there a device that does a similar thing with RF?

For instance, my window blinds have an RF remote... I'd like to "record" what frequency the remote sends, and then be able to broadcast it out from my PC. (start a movie, lower the blinds, muah ah ah)

My Harmony remote is RF, too, but there's no open SDK or API, so it would be cool if I could emulate button presses of that remote via my PC the same way, by somehow recording the frequencies it uses then replaying them on demand via EventGhost.

Is this possible?
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post #2 of 5 Old 08-05-2014, 12:01 PM
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As far as I know it is impossible to learn RF codes.
You'll need to know the code you want to send, otherwise it is impossible.
I know of a german IR to RF converter, but it is limited to a few RF protocols.
It's called Light Manager Pro+.

What you could also try is using FHEM, a Raspberry Pi and a RF module.
FHEM is a open source home automation server.
You can configure it to listen to an IR command and send a RF signal.

But you can do the same with eventghost - you'll just need a RF sending device for your computer...
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post #3 of 5 Old 08-05-2014, 01:34 PM - Thread Starter
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Quote:
Originally Posted by Chwarg View Post
As far as I know it is impossible to learn RF codes.
You'll need to know the code you want to send, otherwise it is impossible.
I know of a german IR to RF converter, but it is limited to a few RF protocols.
It's called Light Manager Pro+.

What you could also try is using FHEM, a Raspberry Pi and a RF module.
FHEM is a open source home automation server.
You can configure it to listen to an IR command and send a RF signal.

But you can do the same with eventghost - you'll just need a RF sending device for your computer...
Ah ok, so it sounds like I'll need to find some technical documentation that tells me the exact frequencies/codes/whatever that my devices need.... which for the most part I think I can do, though Harmony may not be agreeable to that.

I'm a complete newb regarding the Raspberry PI... Not sure I'm ready to dive in to that world.

Now I'll just need to find an "RF sending device" for my computer preferably one that works with EventGhost.


Thanks!
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post #4 of 5 Old 08-06-2014, 06:31 AM
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It'll be cheaper and easier to just get new blinds that use IR instead of RF. You are going to run into FCC licensing issues with these devices since a "universal RF" device would need to be licensed for every possible combination of RF instead of the one or two used for the blinds. This is the main reason you don't see a device like you are requesting since the license fee would be too high.

I have RF gas logs that have to be controlled with its own remote even though I have a RF URC MX-980 and tablets using iRule and a USB-UIRT connected to a PC running Homeseer with a Z-wave USB controller. In other words I've got pretty much every communication protocol and know that my RF gas log remote is the only way for it to work. My next logs will need a different controller...

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post #5 of 5 Old 08-07-2014, 10:24 AM - Thread Starter
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Looks like I'm on the right track....

http://www.eventghost.org/forum/view...php?f=9&t=2080
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