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AusChristmasLighting 101 Manual
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101 display basics
New to this but have a wiring question
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[QUOTE="TerryK, post: 107415, member: 32169"] An interesting question. I have considered doing just this and feel it is possible. My thoughts if I may... The answer in my opinion is somewhere between Kate and Mark. Mark's diagram should work providing the ICs are identical and the 'Y' lengths are the same or nearly so. This is due I think mostly to data signal reflections in the Data line and to keep the 2 downline strings from corrupting each others data. As Mark indicates the nodes on the downline opposed strings should syncronize so if you mount one up a corner and the other down you will have a 'zigzag' effect. The iffy part is; I've already looked through WorldSemi's spec sheet for several of their ICs and the specs do not indicate input loading or output capacity of their ICs. The specs seem to indicate they are CMOS in design so one IC should be able to drive several downstream ICs but without testing there is no easy way to determine that. Power injection will also need to be done carefully, that is at the same or near exact placement in the opposed strings to minimize power injection back around and into the opposed string. I likely missed something but this is longer than I anticipated and a bit more technical as well; no offense intended. To answer your question, possible: yes; practical, probably not. It is I think less complex and more reliable to use separate strings and let the software handle any synchronizing. [/QUOTE]
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