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    PWM dimmer for 30+ lights

    Does that thing run schedules?
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    Meijiu, GeekBeast, SF4000 controller options in a mid-sized 20+ lights grow op?

    Looks like the nanolux uses temp probes and can dim based on room temp. I think the xtrasun controller does too. This level of control is great for my non sealed rooms. These all appear to be 0-10v (dim to off) controllers
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    Dehumidifier

    Something small like that you can score a used dehuey on FB marketplace plugged into a timer that comes on at night or a sonoff temp/humidity plug. I have snagged cheap fantech 250 dri-eaz or drizair units. Pay attention to aham rated PPD removal. My big drizair is like 150ppd aham and I paid...
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    Maine Outdoor 2020 (first timer)

    Any of you guys use trifecta outdoors?
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    Maine Outdoor 2020 (first timer)

    26 seems to be the cheapest deal on hi quality ins that's wholesale. I'm seeing prices go up about 50-100 every other week
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    Maine Outdoor 2020 (first timer)

    Prices up here are going to skyrocket
  7. P

    The Chinese Quantum Board Knock Off Builds

    I wonder if I would be better off with an XLG over an ELG driver
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    The Chinese Quantum Board Knock Off Builds

    How do I know if the maijiu 240w lights use 90% or more of the load? I was hoping to buy it and forget it not actually learn all the differences between cc or CV and how the boards wattages are calculated lol.
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    The Chinese Quantum Board Knock Off Builds

    All I really need is the 0-10v driver input control and I can use a controller like this:
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    The Chinese Quantum Board Knock Off Builds

    That 7yr warranty is nice but putting together 54 of these things doesn't sound like efficient use of my time lol. I'd rather possibly lose a few drivers then spend the time soldering up the drivers on 54 of these lights lol. On another note meijiu can install the elg just as easily as the hlg...
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    The Chinese Quantum Board Knock Off Builds

    Yeah I guess I need to figure out if it's worth me having to put these lights together or buying them already made
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    The Chinese Quantum Board Knock Off Builds

    No it will be 240v
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    The Chinese Quantum Board Knock Off Builds

    You're right I'm gonna see if miejiu can quote using the ELG-240-48ab or b series for 0-10v control
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    The Chinese Quantum Board Knock Off Builds

    Well that was short-lived the 240 is 1-10v dimming it does not turn off with the controller so it won't work
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    The Chinese Quantum Board Knock Off Builds

    I'm looking at the 240AB driver with meijiu now. Running 54 240s versus 27 480s. I actually save $1,000 delivered and I have more control of placement
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    The Chinese Quantum Board Knock Off Builds

    What is different about LEDs running on a digital controller versus HPS? I've been running 20 plus light rooms with double-ended HPS that have never given me a problem using a digital controller.
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    The Chinese Quantum Board Knock Off Builds

    Are the "AB" meanwell drivers the only ones that accept 0-10v control signals?
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    The Chinese Quantum Board Knock Off Builds

    looks like the Meijiu boards use MEAN WELL HLG-480H-48AB drivers. this specific driver has this funtion: 3 in 1 dimming function: 0-10Vdc dimmer (dim to off), 10V PWM dimmer, or resistance dimmer so i guess this means i could use an 0-10v type controller? A flip box wouldnt be ideal for me. im...
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    The Chinese Quantum Board Knock Off Builds

    dimming and on/off. I imagine the Meanwell driver would have to be one that accepts 0-10v input?
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    Basement buildout, HPS DE vs 315w CMH vs chinese QB led? 7.5’ ceilings

    roughly 3.5x3.5 ft squares gets me to 27x lights at 480w each its 39 watts / sqft
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