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. 2014 Jun 24;14(6):11179–11203. doi: 10.3390/s140611179

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© 2014 by the authors; licensee MDPI, Basel, Switzerland.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 13. — Modified controlling circuit plate at the outdoor unit of the air conditioner, and digital power meter embedded smart socket for measuring the compressor output.