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RGB Pixel module review and photos.

Discussion in 'RGB Lights - Intelligent Pixels and 3-Channel RGB' started by Tabor, Oct 11, 2010.

  1. Tabor

    Tabor Full Time Elf

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    Chris and David organised for some RGB modules to be sent to me as samples from Ray Wu.
    I little review for you all.

    40mm dome covered modules

    Two types:
    3 x 5050 leds and 3 x R, 3 x G, 3 x B strawhat leds

    Both type are very bright.
    Both types are very well waterproofed the board and leds are potted in epoxy.
    The 5050's produced the best colour variations during fades etc as expected.
    You can see the individual led colours on the 3 x R, 3 x G, 3 x B strawhat leds.
     

    Attached Files:

  2. OP
    OP
    Tabor

    Tabor Full Time Elf

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    Straight modules

    Two types:
    3 x 5050 leds and 3 x R, 3 x G, 3 x B strawhat leds

    Again both are very bright.
    Again both types are very well waterproofed the board and leds are potted in epoxy.
    And again the 5050's produced the best colour variations during fades etc as expected.
    However when placing them under some coroflute they were pretty much the same.
     

    Attached Files:

  3. OP
    OP
    Tabor

    Tabor Full Time Elf

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    30mm 5050 dome pixel

    I have also got some small 30mm dome type pixels which have a single 5050 led inside.
    They use a 705 based IC, which has a protocol very similar (if not the same) to the 6803.
    Not extremely bright as there is only one 5050.
    They are very well water proofed again with the circuit board being potted in epoxy.
     

    Attached Files:

  4. OP
    OP
    Tabor

    Tabor Full Time Elf

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    Videos, more photos and purchase info soon.
     
  5. JonB256

    JonB256 Full Time Elf

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    Any clue why the large electrolytic capacitor is used with the strawhat LEDs?
     
  6. dmoore

    dmoore Senior Elf

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    Thanks for posting this information! Can I request the following information on the followup?

    * Voltage
    * Driver chip (for the others)
    * The edge to edge distance between the nodes
    * The overall height
    * Model/Mfg (link?)
    * Recommend/Would not buy

    Thanks!
    david
     
  7. fasteddy

    fasteddy I have C.L.A.P Global Moderator Generous Elf

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    Ray has now available on his web site a few of the reviewed pixels

    waterproof led pixel module,3pcs SMD RGB 5050,1pcs LPD6803,32 gray level,DC12V,0.72W
    http://www.aliexpress.com/fm-store/701799/209889132-349774076/waterproof-led-pixel-module-3pcs-SMD-RGB-5050-1pcs-LPD6803-32-gray-level-DC12V-0-72W.html

    waterproof led pixel module,3pcs SMD RGB 5050,1pcs LPD6803,32 gray level,DC12V,0.72W
    http://www.aliexpress.com/fm-store/701799/209889132-349773932/waterproof-led-pixel-module-3pcs-SMD-RGB-5050-1pcs-LPD6803-32-gray-level-DC12V-0-72W.html

    waterproof led pixel module,3pcs SMD RGB 5050,1pcs LPD6803,32 gray level,DC12V,0.72W
    http://www.aliexpress.com/fm-store/701799/209889132-349773751/waterproof-led-pixel-module-3pcs-SMD-RGB-5050-1pcs-LPD6803-32-gray-level-DC12V-0-72W.html

    waterproof led pixel module,9pcs DIP LED,1pcs LPD6803,32 gray level,DC12V,0.72W;3R3G3B
    http://www.aliexpress.com/fm-store/701799/209889132-349773483/waterproof-led-pixel-module-9pcs-DIP-LED-1pcs-LPD6803-32-gray-level-DC12V-0-72W-3R3G3B.html
     
  8. OP
    OP
    Tabor

    Tabor Full Time Elf

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    Quick video and more info.

    Voltage
    40mm domes - 12v
    Straight Modules - 12v
    30mm domes - 5v

    Driver chip
    40mm domes - 6803
    Straight Modules - 6803
    30mm domes - 705

    The edge to edge distance between the nodes
    Not sure i only got one of each to test.
    I would guess around 8-10cm
    The 30mm domes are longer around 15-18cm

    The overall height
    Update when I get home.

    Model/Mfg (link?)
    See above for Rays site

    Recommend/Would not buy
    Yes all of them were well made, personally I would buy the 5050 type for the colour mixing.

    Video
    From left to right: 3RGB 40mm dome - 5050 40mm dome - 5050 straight module - 3RGB straight module.
    Video of these modules do not really do them justice so close.

    pixel review
     
  9. dmoore

    dmoore Senior Elf

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    You guys rock! Thanks for posting the data and the video!
     
  10. dmoore

    dmoore Senior Elf

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    FYI - it appears that the link provided above:

    waterproof led pixel module,3pcs SMD RGB 5050,1pcs LPD6803,32 gray level,DC12V,0.72W
    http://www.aliexpress.com/fm-store/701799/209889132-349774076/waterproof-led-pixel-module-3pcs-SMD-RGB-5050-1pcs-LPD6803-32-gray-level-DC12V-0-72W.html

    to the 30mm domes are NOT for the samples that Tabor tested. The voltage and the controller chip types don't match up.
     
  11. OP
    OP
    Tabor

    Tabor Full Time Elf

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    Hey D

    The samples I got were five volts with only one 5050 output led.

    These are the same except they are 12v and I would expect them to be 3 x 5050 leds.

    As for the protocol.
    I think the 6803 and the 705 chips are almost identical, they will give the same greyscale levels.

    As a side note, the 12v are the ones we were expecting to test.

    I think the 12v would be a better option as well the single 5050 in that cover was not the brightest.
     
  12. AussiePhil

    AussiePhil Dedicated Elf Administrator

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    Great work Tabor
     

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