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FREE ARTICLE DOWNLOAD
Power Over Ethernet Solutions
By Eddie Insam
Powering devices over Ethernet cabling seems easy, but there's more to it than meets the eye. In this article, Eddie Insam explains how it all works.  So you've designed a brand new Ethernet-based device. Perhaps it's a clock, a weather sensor, or an industrial controller device. You plan to hang it proudly on your wall and connect it to a RJ-45 wall socket. But how are you going to power it? Where will the system get its juice? Surely, you aren't going to disgrace your design with a brick wart. There must be a better way!Why not feed power over the CAT-5 cable? Well, you're not the first person to consider this technique. Continue Reading & Download
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ELECTRICAL ENGINEERING CHALLENGE - September
Sponsored by Netburner
Ready for an Electrical Engineering Challenge? This is your chance to put your technical skills to test. The September Electrical Engineering Challenge (sponsored by NetBurner) is now live.
THE CHALLENGE
Find the error in the code below. Submit your answer via the online submission form by the deadline of September 20, 2015 (2 PM EST).
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| | Find the error in this code. Click the image to submit your answer via the online submission form by September 20, 2015. |
PRIZES
Circuit Cellar will randomly select 2 prize winners from the pool of respondents who submit the correct answer. One person will receive a NetBurner MOD54415 LC Development Kit ($129 value). A second will receive a Circuit Cellar Digital Subscription (1 year).
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Circuit Cellar #302
September 2015
Embedded Solutions | Secure Hash Standard | Quantitative Application for WAT_AN_APP | Sustainable Big Data Analysis | Transformers 101 | Build a Desktop Radiation Monitor | Introduction to the Wiegand Layer & Protocol | And More
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