Subject:
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Re: ir tower -> consumer electronics
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 27 Apr 2000 18:39:21 GMT
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Viewed:
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628 times
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luzian scherrer wrote:
> hello,
>
> i thought about controlling my video-recorder with the mindstorms ir
> tower. has anyone else ever tried something like that?
>
> my approach was to first read() from the tower while pressing the play
> button on the video's remote control; like those "learning" universal
> remote controls i thought. what confuses me is that i get slightly
> different results for each retry (the lowest bit changes).
>
> 6 repetitions of pressing the play button:
> 0x0 0x7a 0x4b 0x4e 0xcf 0xcf 0x4e 0x4f 0x4a 0xcb 0xcf 0xce 0xcf
> 0x0 0x7b 0x4b 0x4f 0xce 0xcf 0x4f 0x4f 0x4b 0xca 0xcf 0xcf 0xce
> 0x0 0x7a 0x4b 0x4e 0xce 0xcf 0x4e 0x4f 0x4a 0xca 0xcf 0xce 0xce
> 0x0 0x7a 0x4b 0x4e 0xce 0xcf 0x4e 0x4f 0x4a 0xca 0xcf 0xce 0xce
> 0x0 0x7a 0x4a 0x4e 0xcf 0xce 0x4e 0x4e 0x4a 0xcb 0xce 0xce 0xcf
> 0x0 0x7b 0x4a 0x4f 0xcf 0xce 0x4f 0x4e 0x4b 0xcb 0xce 0xcf 0xcf
>
> now, i've tried to send back all of those variants, but none of
> them seems to work. what am i doing wrong here?
>
> thanks,
> -luzian
>
> btw: please cc reply to luzian@scherrer.ch
> --
> :wq
It's because of the hertz or frequency of the Mindstorms receiver. It
can't quite pick up up right and there for causes errors. It also can't
send out what it received because it didn't catch the entire system...
It's the same reason we can't use our built in IR ports on our pc's...
Dean
--
Coin-Op's For Sale!: http://www.akasa.bc.ca/tfm/coin-op.html
Dean's Lego Workshop: http://www.akasa.bc.ca/tfm/lego_wr.html
Vancouver Lego Club: http://www.akasa.bc.ca/vlc
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Message is in Reply To:
 | | ir tower -> consumer electronics
|
| hello, i thought about controlling my video-recorder with the mindstorms ir tower. has anyone else ever tried something like that? my approach was to first read() from the tower while pressing the play button on the video's remote control; like (...) (24 years ago, 27-Apr-00, to lugnet.robotics)
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