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'{OT} Remote control'
1998\01\19@144957 by andre

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Hi to all engineers.
I am looking for data information about remote controls.start,data,stop
bits.
I connected  directly from remote ic output to digital scope I almost do
not see any
difference when I press power button or any other the only thing I found
is
that frequency is 38.45 khz
I use to know name of web site that contained  information about every
remote controllers
just about every brand names it was really excellent web site.
Does any one know any web site that has info about remote controls or
does any body worked on
this kind of project ?

                                               thank you

Andre.








==========================================
= http://www.compufire.com               =
= spam_OUTandreTakeThisOuTspamcompufire.com             =
= .....mcu-engineeringKILLspamspam@spam@compufire.com   =
= Andre Abelian: Engine Electronics, Inc.=
= Tel 909-589-5485  Fax 909-598-5695     =
==========================================

1998\01\19@221843 by ctm

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Andre Abelian wrote:

> Hi to all engineers.
> I am looking for data information about remote controls.start,data,stop
> bits.
> I connected  directly from remote ic output to digital scope I almost do
> not see any
> difference when I press power button or any other the only thing I found
> is
> that frequency is 38.45 khz
> I use to know name of web site that contained  information about every
> remote controllers
> just about every brand names it was really excellent web site.
> Does any one know any web site that has info about remote controls or
> does any body worked on
> this kind of project ?
>
>                                                 thank you
>
> Andre.
>

Andre-
check out:
http://falcon.arts.cornell.edu/~dnegro/IR/IR.html

A good deal of IR remote control info can be found there.

Chris
ctmspamKILLspamsprynet.com

1998\01\20@223633 by J Nagy

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>Andre Abelian wrote:
>
>> Hi to all engineers.
>> I am looking for data information about remote controls.start,data,stop
>> bits.
<snip>
{Quote hidden}

I haven't used this in ages, but list it as well:
<ftp://nada.kth.se/home/d89-bga/hp/remote/index.html>IR Remote Control Codes

       Jim

1998\01\24@110253 by rtszib

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Andre Abelian wrote:

{Quote hidden}

  Dear Andre

you faced with the problem I also did
The problem is that some of the remote control units send the command
itself only one time when a button is pressed and then continue sending
"repeat" command which is the same for all buttons. So when you try to
view it on an oscilloscope screen you can see only "repeat" command
which is periodic.
To catch a real code from remote unit you should use either storage
oscilliscope or (which is more realistic) use a simple method I used:

I connected IR receiver to parralel port of a PC and wrote simple
programm on quick BASIC which reads data from port and displays IR
singnal on a PC screen

If you need source code in basic  I can email it to you.

Regards,
Vassili

BTW it does not matter what is modulation freq in your remote unit.
Should work with any.

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