Cheapest way to communicate

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  1. - 18th May 2009, 21:39 #9
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    dhouston
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    Quote Originally Posted by koossa View Post
    one-to-many
    If you have to have a two-way communication with more than one node, I think RS-485 is the best choice. Two way wireless gets complcated and expensive rather quickly. Also, most jurisdictions have limts on how often a wireless node can transmit. B&B Electronics has an excellent whitepaper on RS-485.
    Last edited by dhouston; - 18th May 2009 at 21:49. Reason: added the wireless time limits
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