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- Newsgroups: sci.electronics
- Path: sparky!uunet!mcsun!news.funet.fi!funic!nntp.hut.fi!nntp!iisakkil
- From: iisakkil@vipunen.hut.fi (Mika Iisakkila)
- Subject: Re: Need encoding scheme for TV remote infrared controller
- In-Reply-To: mancus@zaphod.jsc.nasa.gov's message of 2 Sep 1992 18:15:47 GMT
- Message-ID: <IISAKKIL.92Sep8210506@vipunen.hut.fi>
- Sender: usenet@nntp.hut.fi (Usenet pseudouser id)
- Nntp-Posting-Host: vipunen.hut.fi
- Organization: Helsinki University of Technology
- References: <1992Sep2.003540.24065@aio.jsc.nasa.gov> <BtyE2K.3ts@news.cso.uiuc.edu>
- <1992Sep2.181547.28000@aio.jsc.nasa.gov>
- Date: 8 Sep 92 21:05:06
- Lines: 16
-
- mancus@zaphod.jsc.nasa.gov (Keith Mancus) writes:
-
- > <groan> That's just what I was hoping to avoid. Sigh.
-
- Open up your remote transmitter and see what it's made of. If you're
- lucky enough to have one based on SAA1250, it is very simple - no
- carrier, just 10 us pulses either 100 or 200 us apart. Very easy to
- get a readable picture on a scope (and emulate by software). It is
- rather popular especially in European products.
-
- Get the data sheet for details. I have some remote controllers which
- use the SAA1250 scheme, but have been implemented with small mask
- processors. Probably cheaper that way.
-
- --
- Segmented Memory Helps Structure Software
-