File:Relay Sample-Opto working.jpg

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Example for a working opto coupler relay board

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Date/TimeThumbnailDimensionsUserComment
current20:57, 30 November 2017Thumbnail for version as of 20:57, 30 November 20171,280 × 754 (389 KB)Shardan (talk | contribs)Example for a working opto coupler relay board

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