Subject:
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Re: IR transmission, strange coding ?
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Tue, 6 Nov 2001 07:03:57 GMT
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Viewed:
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1939 times
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Stef Mientki <s.mientki@ids.kun.nl> writes:
>
> But the startbit ( which of course = "1") also sends a 417 us puls of
> IR.
As far as I remember (it's been > 10 years) startbits are 0,
stopbits are 1.
> The first stopbit (which is "0") is coded as 417 us IR,
This is strange, are you sure it is not the odd parity bit?
> and all following stopbits are nothing of IR.
That's fine, 1 is the 'passive' and 0 is the 'active' level.
Jürgen
--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/
Fingerprint: CDA9 E81E 637E 032C 1EB6 87CF 9FE8 3DEA DF7C 6743
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Message is in Reply To:
 | | IR transmission, strange coding ?
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| hi all, I'm working on what I call an "InfraRed All module" , which should become IR-tower, IR-sensor, IR-audio-remote, etc. Measuring the IR pulses from the IR-tower I encountered the following effects According to what Kekoa Proudfoot found "A '0' (...) (23 years ago, 4-Nov-01, to lugnet.robotics.rcx)
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