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</html><description>N-Button Pro and N-Button Lite make it possible to control relay controller boards of National Control Devices without any programming! Scan Channel widget is used to read the contact closure inputs. It will show On/Off and other (unknown). The widget [&hellip;]</description><thumbnail_url>http://www.serialporttool.com/sptblog/wp-content/uploads/2013/01/image_thumb.png</thumbnail_url></oembed>
