General Home Automation Second Zone Remote

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Subject Author Date
Second Zone Remote J Miller 02-11-08
Posted by J Miller on February 11, 2008, 10:42 pm
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Here's what Devon Tech support pointed me to:

(not from SmartHome, but the same product)

http://www.smarthome.com/8045i.html

I'm staying away from the X10 thing, as over the years, I've found X10's
stuff like this to be of poor quality.

Posted by RickH on February 14, 2008, 5:18 pm
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> Here's what Devon Tech support pointed me to:
>
> (not from SmartHome, but the same product)
>
> http://www.smarthome.com/8045i.html
>
> I'm staying away from the X10 thing, as over the years, I've found X10's
> stuff like this to be of poor quality.

Slick, I wonder how the battery-substitute transmitter "sees" what IR
signals the remote is trying to send so it can echo them out in RF?
Is that waveform passed electrically through the batteries in all
remotes? Or is there a sensor you need to hook up that sees the
remotes IR emitter and is wired back to the battery-substitute unit?
However it works its a pretty cool idea to substitute the battery with
an RF unit.


Posted by J Miller on February 14, 2008, 5:32 pm
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RickH wrote:
>> Here's what Devon Tech support pointed me to:
>>
>> (not from SmartHome, but the same product)
>>
>> http://www.smarthome.com/8045i.html
>>
>> I'm staying away from the X10 thing, as over the years, I've found X10's
>> stuff like this to be of poor quality.
>
> Slick, I wonder how the battery-substitute transmitter "sees" what IR
> signals the remote is trying to send so it can echo them out in RF?
> Is that waveform passed electrically through the batteries in all
> remotes? Or is there a sensor you need to hook up that sees the
> remotes IR emitter and is wired back to the battery-substitute unit?
> However it works its a pretty cool idea to substitute the battery with
> an RF unit.
>
Just got it today.. There's two included 2/3 AAA size batteries that
goes in the RF module, and one is charging now, so it will be a few
hours before I try it. The receiver part contains the charger, and with
2 batteries, one's in the charger when the other is in use.

It must do something with current sense to detect the IR pulses. I'll
post how well it works!

Posted by J Miller on February 14, 2008, 7:49 pm
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RickH wrote:
>> Here's what Devon Tech support pointed me to:
>>
>> (not from SmartHome, but the same product)
>>
>> http://www.smarthome.com/8045i.html
>>
>> I'm staying away from the X10 thing, as over the years, I've found X10's
>> stuff like this to be of poor quality.
>
> Slick, I wonder how the battery-substitute transmitter "sees" what IR
> signals the remote is trying to send so it can echo them out in RF?
> Is that waveform passed electrically through the batteries in all
> remotes? Or is there a sensor you need to hook up that sees the
> remotes IR emitter and is wired back to the battery-substitute unit?
> However it works its a pretty cool idea to substitute the battery with
> an RF unit.
>

Just tried it.. It works great!

Just pop out one battery, and pop in the RF unit. No wires or IR sensor.

Posted by Dave Houston on February 15, 2008, 8:41 am
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>> Here's what Devon Tech support pointed me to:
>>
>> (not from SmartHome, but the same product)
>>
>> http://www.smarthome.com/8045i.html
>>
>> I'm staying away from the X10 thing, as over the years, I've found X10's
>> stuff like this to be of poor quality.
>
>Slick, I wonder how the battery-substitute transmitter "sees" what IR
>signals the remote is trying to send so it can echo them out in RF?
>Is that waveform passed electrically through the batteries in all
>remotes? Or is there a sensor you need to hook up that sees the
>remotes IR emitter and is wired back to the battery-substitute unit?
>However it works its a pretty cool idea to substitute the battery with
>an RF unit.

Everything that switches puts out a small (or sometimes large) amount of RF
(which is usually considered EMI). The transmitter circuitry senses this
from the IR emitter circuitry, amplifies it, and sends it as RF. It's an
ingenious idea.

http://davehouston.net http://davehouston.org
http://tech.groups.yahoo.com/group/roZetta/
roZetta-subscribe@yahoogroups.com

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