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AusChristmasLighting 101 Manual
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101 display basics
Will this work or am i missing something
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[QUOTE="scamper, post: 110578, member: 22285"] As a matter of coarse I connect all v- together. What you need to think about is v- is a reference. What I mean by that is that v+ is only a differential to the v- line. So as an example if say the v- line referenced to earth was 1v and v+ was 6v the potential difference is 5v which is fine, until you connect more power supplies and things like data. The data could come from the controller where the power supply v- is actually 2v with reference to ground and the v+ is 7v. in this case the power is fine, but now the data at 1v peak to peak is fine in reference to it's own power line, but is 0v in reference to the first supply. Please note these numbers are exaggerated for ease of understanding [/QUOTE]
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