Yesterday I received the new PCBs for Fritzing for a RS-485 Shield that will work withe Arduino Due and Maple. This shield has headers to either plug in and XBee module or Electric Imp breakout board for wireless communications. I have tested the Rs-485 communications and all is working well. Next, I will test XBee and Imp communications. Here are some pictures:
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Published by Stephen Makonin
Dr. Stephen Makonin is an Adjunct Professor in Engineering Science and the Principal Investigator of the Computational Sustainability Lab at Simon Fraser University (SFU). He received his PhD in Computing Science at Simon Fraser University in 2014 in the area of computational sustainability. He has been a software engineer for over 24 years working for various local/international industry clients. Stephen is a registered Professional Engineering (PEng) with Engineers and Geoscientists BC and a Senior Member of the IEEE. His research interests include computational sustainability and the understanding of socioeconomic issues that pertain to technological advancement. Stephen is an expert in data engineering, software engineering, and a world-renowned researcher in non-intrusive load monitoring (NILM) and disaggregation. Stephen is currently the Vice-Chair of the IEEE Signal Processing Society Vancouver Chapter and sits on the IEEE DataPort Advisory Committee. He currently serves as the Editor in Chief of the IEEE DataPort Metadata Review Board, and as an Editorial Board Member of Nature's Scientific Data journal.
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Non-Intrusive Load Monitoring (NILM) 
Hello..i hope you van help… i look for some rs485 schemas or devices that that can be addressable to communicate with non-rs485 devices… rs232! Such as rs232>rs485>addressable rs485 and make the rs232 signals for that device… and so on and so on…
There are many different device gateways you can buy to do al sort of serial conversions. Two such companies are Digi (http://www.digi.com) and Moxa (http://www.moxa.com).
Hope that helps,
Stephen.