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Super Newbie Question - Power Supplies

Discussion in '101 Display Basics' started by mossie, Sep 12, 2016.

  1. mossie

    mossie New Elf

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    Hi Guys,


    Very new to this. I am looking to run 8 of these Dumb RGB lights - https://www.aliexpress.com/store/product/5m-DC24V-input-led-neon-flexible-4-wired-with-3-color-RGB-Size-13-26mm-120LEDs/701799_32301597712.html on one of these LOR controlers - http://store.lightorama.com/cmdedcca3.html


    My question is how do I work out what power supply I need and where can I purchase. I am super new so happy to pay more for something that is as close to plug and play as possible.


    Thanks for your help


    Mossie
     
  2. ShellNZ

    ShellNZ Senior Elf

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    The neon flex is rated at 11.52W per meter. Therefore you are getting 40m of it = 460.8W.

    You could either get 2 of these - https://www.aliexpress.com/store/product/NES-350-24-24V-350W-meanwell-switch-mode-led-power-supply-AC100-240V-input-24V-350W/701799_2037994725.html

    or one of these - https://www.aliexpress.com/store/product/12V-24V-48V-600W-switch-mode-power-supply-size-238-124-65mm-led-driver-led-power/701799_593827746.html

    However, it really depends on how far you are going with it. You also need to make sure that the controller can handle it, 5m of neonflex is 57.6W/2.4A so you should be ok as the controller allow 4A per channel.

    Ray has plenty of PSU's :)
     
  3. Roosta

    Roosta Full Time Elf

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    Hi Mossie,


    Just to throw a spanner in your works mate..


    Being a newbie, you may not be aware of all the options available in blinky land..


    For similar money to your plans, ie ~$1000 you could get a pixel show happening which allows much more flexibilty and flare to your sequencing..


    Any ways there is heaps of info and people to help on the forum, so welcome..


    Cheers..
     
  4. scamper

    scamper Senior Elf

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    Being that our dollar is bouncing around so much at the moment, you may also be able to find power supplies on ebay that are cheaper.
    http://www.ebay.com.au/itm/AC-110V-220V-TO-DC-24V-480W-20A-Regulated-Transformer-Power-Supply-For-LED-Light-/141594352840?hash=item20f7ae5cc8:g:R44AAOSwPYZU-GKf
    this was just a quick search, but if you used this be very careful that you do not run full white too much as it is very close to the limit and generally you want a bit of leeway with power rating.
    I tend to buy 2 anyway as if you do have a problem with 1, you still have a backup.
     
  5. i13

    i13 Senior Elf

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    I have to agree with Roosta here; it's just not nice wishing you'd bought something else. Even if you don't choose pixels (which I highly recommend as you'll probably replace everything with them sooner or later), there is plenty of room to save money. Light-O-Rama controllers are relatively expensive and I'm sure Ray would supply a dumb RGB version of this if you asked him to https://www.aliexpress.com/store/product/2-5m-DC12V-WS2811-led-neon-pixel-light-RGB-full-color-30leds-m-with-10pixels-m/701799_32607732278.html
    All he'd have to do is put an ordinary dumb RGB strip into the neon outer tubing so I'd still expect the price to be around US $10 for a 2.5 metre length. It would only be single sided though.

    That said, any neon tubing might be a problem if the lights go faulty and need repairing. I'd imagine that it would be difficult to get a good repair.
     
  6. ShellNZ

    ShellNZ Senior Elf

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    I dont know about RGB neon-flex but my 3 faces are made from plain white neon-flex (80led p/m). Made them 4 years ago and still going strong, no fixes at all required.
     
  7. OP
    OP
    mossie

    mossie New Elf

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    Thanks so much to all replies.


    Really appreciate the help!
     
  8. OP
    OP
    mossie

    mossie New Elf

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    Love the idea of the smart pixels but this will be my first time programming and with 2 young kids have very limited time to learn something so overwhelming.

    Sorry - 1 more question.


    How do I tell if I would be able to run 8 of these off the LOR controller I mentioned above - https://www.aliexpress.com/store/product/simple-dump-RGB-Icicles-12V-light-string-total-69nodes-all-white-wire-IP68-rated/701799_32282280619.html


    and if I purchase 2 of https://www.aliexpress.com/store/product/NES-350-24-24V-350W-meanwell-switch-mode-led-power-supply-AC100-240V-input-24V-350W/701799_2037994725.html will that be enough to power the board?
     

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