/challenges-projects/project14/merryboxesleds/b/blog/posts/assembling-the-treesMerry Boxes &amp; LEDs Enter Your Project for a chance to win a Maker Tool Kit, an Oscilloscope Grand Prize for the project that brings the Most Joy to the Heart, and Gift to Gives! Back to The Project14 homepage Project14 Home Monthly Themes Monthly Theen-USTelligent Community 12https://community.element14.com/challenges-projects/project14/merryboxesleds/b/blog/posts/assembling-the-treesSat, 05 Jan 2019 02:02:20 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:f392fe01-8176-4dcd-b826-dc67498ddf4amcb12<p>Mine arrived today.</p><p>No instructions .... however reading the feedback has this link. <a class="jive-link-external-small" href="http://attach01.oss-us-west-1.aliyuncs.com/IC/DIY-Manual/7213.pdf" rel="nofollow ugc noopener" target="_blank" title="http://attach01.oss-us-west-1.aliyuncs.com/IC/DIY-Manual/7213.pdf">http://attach01.oss-us-west-1.aliyuncs.com/IC/DIY-Manual/7213.pdf</a> </p><p>&nbsp;</p><p>&nbsp;</p><p>snip of the cct is</p><p><span>[View:/resized-image/__size/1110x431/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-f392fe01-8176-4dcd-b826-dc67498ddf4a/contentimage_5F00_189783.png:1110:431]</span></p><p>which explains why you need the LED string in place to make it flash.</p><p>&nbsp;</p><p>&nbsp;</p><p>Mine have both boards marked as CTR-30B but clearly one should be A as it different.</p><p>&nbsp;</p><p>Mark</p><img src="https://community.element14.com/aggbug?PostID=6156&AppID=220&AppType=Weblog&ContentType=0" width="1" height="1">