David Goodenough wrote: > > Have you considered the Dallas One-Wire stuff? I was thinking the same... Although I have never used it, it surely looks interesting. I'm looking forward to try some of those devices in a near future. Mark Allyn wrote: > The one thing that I did not mention in my email is that I am > hoping for a 512 KBPS bit stream on the line so that I can > update the brightness of each LED at least 60 times per second. > A 9600 baud line would be too slow. > > Looking at the RS485 hardware specs, they say that it can run > up to 1 MBPS for the distances that I am looking at (up to about > 2 meters for a piece of clothing). It also has a fan out limit > (transmitter to receivers) of about 32. That is show stopper > for me. If you need high transmission rates you can go for a fieldbus solution, such as CAN or PROFIBUS (which works on top of RS-485), but that will probably get too expensive on the receivers side... But first take a look at the 1-wire stuff David mentioned, you may find something that fits your needs. Good luck, Bruno Gravato.
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