piclist 2002\09\11\220645a >
Thread: Infrared Communications
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face BY : Robert Wade email (remove spam text)



Russell,
       Thanks for the information. Sorry I am new at all this. I came up
with an idea for a device and wanted to see if I could build it. Data rate
would only have to be around 2400 baud. Range would be person to person or
person to unit (IE: PDA or Palm device). Bi-directional -- yes as each unit
talks to one another. Bi-directional I was hoping to solve by each unit or
device would have an IR transmitter and IR receiver. As for packet size and
reliability I think they go hand and hand. The packet would need to be
serialized or stamped so that other IR devices would be ignored until
communication was completed with the first device it came in contact with.
If communication was interrupted it would drop the current data after a few
seconds due to a not seeing the end of packet bit. I was hoping I could use
the PIC16F628's oscillator to create the 38khz frequency but I am not sure
yet if this is possible. I like the http://www.rentron.com site but in the
site description of this solution they use a 38khz chip on the IR
transmitter and uses a basic stamp for the receiver. I have to say the site
is very informative.


To all other thanks goes out to who replied.

Rob

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Subject (change) Infrared Communications

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