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connect 20 pics
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chingB

Joined: 29 Dec 2003
Posts: 81


Posted: Sat Sep 04, 2004 12:07 am

We used RS485 to connect 32 PIC18F1320, with each PIC being about one meter apart from the next one. It worked very well. The master is a PIC18F452 which is also connected on the RS485 network.

domdom

Joined: 06 Sep 2006
Posts: 29


Posted: Sat Mar 17, 2007 11:29 am

ChangB, do you mind to share your working code with us? currently working with a few pics communication. 18f4520 as master, 16f877a as slave

jds-pic

Joined: 17 Sep 2003
Posts: 205

Posted: Sat Mar 17, 2007 4:47 pm

Reply with quote

domdom wrote:

ChangB,

do you mind to share your working code with us? currently working with a few pics communication. 18f4520 as master, 16f877a as slave

see the following thread for some good ideas. the PDF protocol document i posted on Feb 13, 2006 will work perfectly with the setup you describe above.

http://www.ccsinfo.com/forum/viewtopic.php?t=25980

jds-pic

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