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that was with 5V strips that were terminated every 10m, and we ran heavier gauge conductors parallel to the strip. Using 12V you can go alot farther without noticeable dimming. Reason to connect end to end is current path is cut in half for interior injectors.<br />
<p>On 2018-02-08 11:15, Cere Davis wrote:</p>
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<div dir="ltr">I'm not even sure why you would want to do this when you could just cut the strip (if needed) and use separate power supplies. Then again, if you wanted to preserve the strip as one piece, I guess I could see it.</div>
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<div class="gmail_quote">On Thu, Feb 8, 2018 at 11:01 AM, Jake <span><<a href="mailto:jake@spaz.org" rel="noreferrer">jake@spaz.org</a>></span> wrote:<br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">you could get oscillations or other undefined behavior if you connect multiple<br /> regulated power supplies in parallel.
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<div class="h5"><br /><br /> On Thu, 8 Feb 2018, <a href="mailto:hol@gaskill.com" rel="noreferrer">hol@gaskill.com</a> wrote:<br /><br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">It's OK to inject power at multiple points along the strip in my opinion, say every 20-30' as long as they share a common ground<br /><br /> Only really necessary to do this if you notice dimness away from a single injection point - there is alot of current being used along the strip between injection points so the PSUs should not 'talk to eachother' or run any risk of reverse current if the output voltages at the terminals are slightly off.<br /><br /> I've used the 5V rails from 2 different computer PSUs to run about 50m of addressable LED strip with injection every 10m. Regular female 2.1mm barrel jacks were soldered to one end of every strip and 2-3 male plugs w/ extension leads were soldered to the PSUs for ease of setup/takedown.<br /><br /><br /> On 2018-02-07 15:32, Jake wrote:<br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">yes it's pretty easy to solder to ends of this LED tape<br /><br /> there are little copper pads and you solder to them<br /><br /> On Wed, 7 Feb 2018, Cere Davis wrote:<br /><br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">I mean if I cut the strip and use the power supply that is provided then I<br /> need to come up with another power supply for the remainder of the tape<br /> that I want to use later. So wondering if it's easy to solder the wires<br /> from another power supply onto the section that has been cut off?<br /><br /> On Wed, Feb 7, 2018 at 3:09 PM, Jake <<a href="mailto:jake@spaz.org" rel="noreferrer">jake@spaz.org</a>> wrote:<br /><br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">i don't understand the question. There are solder points at both ends of<br /> each<br /> discrete 3-LED circuit. You can splice this tape back together after<br /> cutting<br /> it if you solder carefully.<br /><br /> if you want to use multiple power supplies, they should be connected to<br /> separate sections of LED tape, power supplies' outputs should not be<br /> paralleled<br /> together.<br /><br /><br /> -jake<br /><br /> On Wed, 7 Feb 2018, Cere Davis wrote:<br /><br /> Is it relatively easy to splice in new power supplies into these things<br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;">after you've cut one?<br /><br /> On Wed, Feb 7, 2018 at 2:21 PM, Cere Davis <<a href="mailto:ceremona@gmail.com" rel="noreferrer">ceremona@gmail.com</a>> wrote:<br /><br /> Thanks Jake.<br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;"><br /> On Wed, Feb 7, 2018 at 12:35 PM, Jake <<a href="mailto:jake@spaz.org" rel="noreferrer">jake@spaz.org</a>> wrote:<br /><br /> hi Cere,<br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;"><br /> you're correct that you can cut that type of LED tape along any of the<br /> dotted<br /> lines. It's made up of a bunch of independant circuits which each have<br /> 3<br /> LEDs<br /> and resistors and run on 12V, and then they're all in parallel for 12V<br /> down the<br /> whole strip. The current draw from your 12V power supply will change<br /> with the<br /> number of LEDs, but the voltage will always be 12V.<br /><br /> -jake<br /><br /> On Wed, 7 Feb 2018, Cere Davis wrote:<br /><br /> Hey Folks,<br /><br />
<blockquote class="gmail_quote" style="margin: 0 0 0 .8ex; border-left: 1px #ccc solid; padding-left: 1ex;"><br /> I'm sort of an LED nube and am looking for confirmation that this:<br /><a href="https://www.aliexpress.com/item/5M-Roll-3528-60led-m-12VDC-I" target="_blank" rel="noreferrer">https://www.aliexpress.com/ite<wbr />m/5M-Roll-3528-60led-m-12VDC-I</a><br /> P65-soft-strip-light-5cm-cut-l<wbr />ed-tape-light-for/32440112867.<br /> html?spm=2114.search0104.3.81.<wbr />29a1356aJIB9xN&ws_ab_test=sear<br /> chweb0_0,searchweb201602_1_101<wbr />52_10151_10065_10344_10130_100<br /> 68_10324_10547_10342_10325_105<wbr />46_10343_10340_10548_10341_105<br /> 45_10084_10083_10618_10307_103<wbr />13_10059_5722311_10534_100031_<br /> 10103_10624_10623_10622_10621_<wbr />10620_10142,searchweb201603_<br /> 25,ppcSwitch_5&algo_expid=2197<wbr />9fdd-56eb-4fec-95af-89ed7a<br /> 33c672-12&algo_pvid=21979fdd-5<wbr />6eb-4fec-95af-89ed7a33c672&<br /> transAbTest=ae803_5&priceBeaut<wbr />ifyAB=0<br /><br /> <<a href="https://www.aliexpress.com/item/5M-Roll-3528-60led-m-12VDC-" target="_blank" rel="noreferrer">https://www.aliexpress.com/it<wbr />em/5M-Roll-3528-60led-m-12VDC-</a><br /> IP65-soft-strip-light-5cm-cut-<wbr />led-tape-light-for/32440112867<br /> .html?spm=2114.search0104.3.81<wbr />.29a1356aJIB9xN&ws_ab_test=sea<br /> rchweb0_0,searchweb201602_1_10<wbr />152_10151_10065_10344_10130_10<br /> 068_10324_10547_10342_10325_10<wbr />546_10343_10340_10548_10341_10<br /> 545_10084_10083_10618_10307_10<wbr />313_10059_5722311_10534_100031<br /> _10103_10624_10623_10622_10621<wbr />_10620_10142,searchweb201<br /> 603_25,ppcSwitch_5&algo_expid=<wbr />21979fdd-56eb-4fec-95af-89ed7a<br /> 33c672-12&algo_pvid=21979fdd-5<wbr />6eb-4fec-95af-89ed7a33c672&<br /> transAbTest=ae803_5&priceBeaut<wbr />ifyAB=0>item<br /> works they way I think it does. My only question, really, is whether I<br /> can<br /> just cut the strip at the designated locations and it will work fine<br /> with a<br /> 12v power supply without any need for extra resistors? It looks like<br /> the<br /> LEDs all sit in parallel along the strip so therefore...?<br /><br /> Thanks,<br /> Cere<br /><br /> --<br /> *Cere Davis*<br /><br /> Science-Art | Kinetic Sculpture<br /> CereDavis.com<br /> @ceremona <<a href="http://Twitter.com/Ceremona" target="_blank" rel="noreferrer">http://Twitter.com/Ceremona</a>><br /><br /><br /></blockquote>
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<br /> --<br /> *Cere Davis*<br /><br /> Science-Art | Kinetic Sculpture<br /> CereDavis.com<br /> @ceremona <<a href="http://Twitter.com/Ceremona" target="_blank" rel="noreferrer">http://Twitter.com/Ceremona</a>><br /><br /><br /></blockquote>
<br /><br /> --<br /> *Cere Davis*<br /><br /> Science-Art | Kinetic Sculpture<br /> CereDavis.com<br /> @ceremona <<a href="http://Twitter.com/Ceremona" target="_blank" rel="noreferrer">http://Twitter.com/Ceremona</a>><br /><br /></blockquote>
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<br /><br /> -- *Cere Davis*<br /><br /> Science-Art | Kinetic Sculpture<br /> CereDavis.com<br /> @ceremona <<a href="http://Twitter.com/Ceremona" target="_blank" rel="noreferrer">http://Twitter.com/Ceremona</a>><br /><br /></blockquote>
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<div><span style="font-family: 'trebuchet ms', sans-serif;"><strong>Cere Davis</strong></span></div>
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<div><span style="font-family: 'trebuchet ms',sans-serif; font-size: small;">Science-Art | Kinetic Sculpture</span></div>
<div><a href="http://CereDavis.com" target="_blank" rel="noreferrer"><span style="font-family: 'trebuchet ms', sans-serif;">CereDavis.com</span></a></div>
<div><span style="font-family: 'trebuchet ms', sans-serif;"><a href="http://Twitter.com/Ceremona" target="_blank" rel="noreferrer">@ceremona</a><br /></span></div>
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