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2 wire strings?

Discussion in 'Lights - Store Bought and Home Made' started by strangesparks, Dec 8, 2015.

  1. strangesparks

    strangesparks New Elf

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    Just been around the stores, it looks like no one stocks the 3 wire strings anymore. And from what I understand the new 2 wire systems are a whole lot of trouble?
    So... does anyone have a link to how these are wired, and how to adapt them to dmx controllers? Or should I flag the expansion/replacement scheme and focus on pixels for next year?
     
  2. David_AVD

    David_AVD Bite my shiny metal ass! Community Project Designer Generous Elf

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    There's no simple solution to drive 2-wire strings at present.

    I and at least one other person are working on adapter boards. I was also considering doing a 16 channel DMX controller for next year.
     
  3. i13

    i13 Senior Elf

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    K-Mart and Target still have 3 wire icicles but I suspect that'll change next year at this rate. I think Masters had 3 wire strings but they're socketed so you might want to seal them up with silicone (a big job) to stop corrosion.

    You still have the option of ordering custom strings such as from MySolarLED. I've never tried them but I've heard they're good. Just don't get the clear wire ones because the wires turn brown.

    Also keep in mind that low voltage light sets without an 8 function controller will work.

    Yes pixels are really the ultimate way to go in my opinion. I would have much more of a pixel setup if I had started from scratch instead of converting my existing static display.
     
  4. OP
    OP
    strangesparks

    strangesparks New Elf

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    Thanks for confirming my hunch that I won't be expanding this year. Probably a good thing in light of the investment of dmx board, PSU, dc-dc booster because I got the wrong PSU and the cheapest dmx dongle I could find (another faux pas). Only to discover pixels after I ordered all this. Better luck next year!
     
  5. MrWoolson

    MrWoolson New Elf

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    Hi David_AVD. Are you going to produce an adapter board this year? That sounds like a good solution given that all of the lights I have found (so far) this year are 2 string...


    Thanks heaps.
     
  6. Homer2014

    Homer2014 Apprentice Elf

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  7. David_AVD

    David_AVD Bite my shiny metal ass! Community Project Designer Generous Elf

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    I did design a 2-wire board that has WS2801 input, but it's not something I'm offering for sale.

    Alan (Hanson Electronics) has a DMX input 2-wire board (I've tried them) for a reasonable price.
     
  8. Steve Ratcliffe

    Steve Ratcliffe New Elf

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    Hi All,

    New to this forum, so hello to everyone from a new member in England!

    Just hoping to revive this thread as I’ve moved over to a Vixen/Falcon based control setup this year and although invested quite heavily in a couple of thousand pixels to get started, still want to be able to use the several thousand traditional gold led fairy lights I put in my garlands etc.

    They are of course the 2 wire multifunction type LED strings, which from what I’ve read seem a royal pain in the behind to control, so just wondering if a couple of years on from this initial conversation if any better solutions have arisen?

    My backup plan essentially is to put a DMX controlled relay board between the multifunction plug in psu and the light string, this would give basic switch control of each string for sequencing, but no dimming.

    Is the Hanson board still the best option for these lights, and does it enable you to dim the led strings? Would be a much neater solution than my backup plan, if for no other reason that using a common power supply rather than all the individual plug in psu’s.

    If so does anyone know of a way to buy these in the UK?

    Many Thanks, Steve.
     
  9. AAH

    AAH I love blinky lights :) Community Project Designer Generous Elf

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    Hi Steve
    Currently the only way to get them to UK is just to buy them from my site. I have been talking to someone in UK who may stock them in the future but that's a bit late for this year. The DMX2-18 allows you 255 levels of dimming independently for the 2 halves of the string (every 2nd led). You can also flick a switch on the board that allows you to run the entire string as if it were 1 channel rather than 2.
     
  10. Pesle

    Pesle New Elf

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    Ive been working on a design that uses E1.31 (ethernet), only 4 channels, but I seem to have it working pretty stable now. If they're successful, I might share my code and a schematic for it. I do electronics as a hobby, so the design may be a bit under-engineered. Also, they're cheap to make, less then $15 a board with the parts from Aliexpress and boards made by PCBWay.
    IMG_20181126_221727~2.jpg
     
    tooms and AAH like this.

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