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Best DIY Led grow light fully 3dprinted for $30

30$ / 20w / 180lm/w 3d printed led light based on bxeb-l0280 smd led bars and meanwell led drivers - no soldering - perfect as grow light

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This is a small 3d printed led light i made for my vegetables houseplant.
Designed to be as cheap as possible and let you grow your own food, but to give the maximum efficiency and don´t involve any soldering. It's perfect to raise not very light demanding plants or for early stages, i'm sure it also can be used for photography, hydroponics, aquaponics, any kind of indoor setup and anything else you got in mind!
Compared to commercially available solutions, has a lumen output similar to a HLG 65 vegging board, efficiency close to DIY COB leds (Vero, CXB3590, Citizen... ) but with a higher coverage area.

Now also with instructables guide!

This light consists of 4x bridgelux BXEB L0280 led bars which are driven by a Meanwell driver in parallel with two options:

  • APC 35 - 1050: driving each bar at 1.05A/4 = 262,25 mA
    • This gives us a total power at 20v of around 1.05*20 = 21W
  • LPC 60 - 1400: driving each bar at 1.4A/4 = 350 mA
    • Which gives us a total power at 20v of around 1.4*20 = 28W

Max drive current of the boards its 700mA so we are always under half of the current with any of the boards, so heatsink isn't mandatory. At the current used they have a 180 lm/w efficiency, not bad at all for they price.

APC variant has been tested for over two months already and hasn't show any problem, LPC variant has not been tested, because i don't have the driver, but i made the model also because i thought like its so if somebody build it any feedback would be very welcomed!

3d files available at thingiverse and myminifactory

Always wear sunglasses when looking at this leds! never put them in a place where you can have direct vision of them.

This lamp is working for me, but I am not in any way electrician and i can't assure this is complient with all security directives, always double check all connections, think on your own if everything is safe. Design is not fully isolated so use in humid spaces it's not recommended, i am not responsible in any way of the damages caused for misuse, bad mount, or anything else.

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electric schematic

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  • 4 × BXEB L0280 I used 5000k but any light color would be ok
  • 30 × M3 25mm aprox screws and nuts To mount the 3d printed frame, only 24 should be enough, includes spare ones.
  • 2 × M2 / M2.5 25mm screws ands nuts to attach the led driver
  • 1 × Meanwell APC-35-1050 or LPC-60-1400 LED driver
  • 1 × 220v/110v AC cable with plug As long as you need

View all 8 components

  • 1
    Print 3d parts

    You will need:

    • 4x side stl

    And depending on your driver choice:

    • 1x apc or lpc stl
    • 2x wago_apc or wago_lpc stl
  • 2
    Mount driver

    Screw driver of choice to their base, using M2/M2.5 screws

  • 3
    Add side pieces

    Screw side pieces to driver base, use m3 screws and nuts, wait to tighten.

View all 9 instructions

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