Subject:
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Re: Decoding the LEGO IR remote control
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Fri, 17 Sep 1999 16:25:08 GMT
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Viewed:
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1499 times
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In light of the underwhelming lack of response to my LEGO IR post,
maybe I need to clarify a little:
The RCX tower and the LEGO remote control (#9738) both transmit a
38kHz carrier which is modulated at a 2400bps rate. The encoding
is 8 data bits, odd parity, 1 stop bit, noninverted. I've also
found Kekoa's RCX opcodes page.
What I would like is help in using a PIC (or a Stamp) to decode the
output of an IR receiver that is receiving opcodes from the LEGO
controller. Lacking that, pointers to using a PIC for decoding TV
IR remotes would help.
Thanks,
- Nick -
Nick Taylor wrote:
>
> Hello All - -
>
> I'm interested in using a LEGO IR remote control to control other
> things besides the RCX. Has anyone here done any PIC development
> along these lines?
>
> I would like to use a PIC to decode the output of a Sharp GP1U581Y
> and convert the 16 LEGO control sequences from the LEGO #9738
> remote to a single hex nibble.
>
> Any help or pointers will be greatly appreciated.
>
> Thanks,
> - Nick -
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Message has 2 Replies:
 | | Re: Decoding the LEGO IR remote control
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| (...) [snip] (...) What makes this especially intrigueing is that the remote control box does not send messages with the same preamble as the RCX does. The RCX with take an RCX message and treat it as a message. The stuff from the remote is treated (...) (25 years ago, 17-Sep-99, to lugnet.robotics.rcx)
| | | Re: Decoding the LEGO IR remote control
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| (...) Do you want to connect the PIC to the IR tower to receive signals from the Lego remote control, or do you want to build your own IR receiver, and attach the PIC to that? The encoding of the IR is pretty simple. The IR tower contains a circuit (...) (25 years ago, 17-Sep-99, to lugnet.robotics.rcx)
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Message is in Reply To:
| | Decoding the LEGO IR remote control
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| Hello All - - I'm interested in using a LEGO IR remote control to control other things besides the RCX. Has anyone here done any PIC development along these lines? I would like to use a PIC to decode the output of a Sharp GP1U581Y and convert the 16 (...) (25 years ago, 17-Sep-99, to lugnet.robotics.rcx)
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