What a Mesh! Part 1—The Ins and Outs Of Mesh Networking By: Joel K. Young, Digi International The first part of this two-part article discusses the basics: what do you need to know about wireless mesh networking and what criteria you should use when assessing a mesh networking technology.  Color, Contrast, and Luminescence Sensors: Which One Should You Choose? By: Bill Letterle, EMX Industries Inc. When faced with so many photoelectric sensor choices, how do you choose the right one for your application? Here are some general guidelines for selecting among color, contrast, color mark, or luminescence sensors.  Designing Smart Energy Devices By: Skip Ashton, Ember Corp. ZigBee's newest profile streamlines the development of communications technology that will help consumers rein in energy consumption.  AppSnaps By: Melanie Martella
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