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    QB 288 V2 3000k mini tent grow

    Nice1 I am flowering in the same tent with strips @150w I have 6 plants flowering in 1 gal pots that went out of control lol Btw I also have a carbon filter inside that is stealing even more space lol
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    Thoughts on the Zeus 308 board?

    @ZioFrancolino may be helpful for you https://ledgardener.com/forum/viewtopic.php?f=11&t=945 You can find some info without the shit throwing like there is here. Just check the whole section because there are several posts about boards from shenzen
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    Thoughts on the Zeus 308 board?

    I am sure these Chinese QBs grow nice buds! Even cfls grow buds! (kidding) If you get lm561b+ diodes you are lucky and these are good diodes but I hate being scammed because they advertise lm561c diodes. What if they are lm561y diodes? (do they exist?) Btw I did my math and buying from China...
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    Thoughts on the Zeus 308 board?

    I bought one of my cobs setups from J. I am not talking about the reliability of that seller. How many lm561c pcb did we see from china? how many of these are actually made of lm561c? I don't even wanna talk about bin of these. I thought about getting boards from china too but in the end I got...
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    Thoughts on the Zeus 308 board?

    You don't want to get stuff off digikey or arrow because...no, we still don't know why. But you rather prefer getting your lights from China with incredibly high shipping costs and customs fee? You can't even be sure to get legit Samsung diodes, if you're lucky u get lm561b+ diodes
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    Thoughts on the Zeus 308 board?

    I don't have any problem at buying from digikey or arrow and having packages shipped to EU. I chose DHL shipping and paid all fees at checkout, in the end I payed less: 30eur on a 150eur order, that is around 20%, that is close to the VAT in my country. Worth everything. (20x 2ft eb2 strips and...
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    Controlling lots of DC fans (active cooling)

    You want a 12v driver for your 12v fans and you want to control fans speed by varying the voltage? Shouldn't be a good idea to dim through voltage control, you should use PWM dimming as you do with leds
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    MantisMan SOG I

    I love SoG grows and your tent looks beautiful! First run with this style?
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    Thoughts on the Zeus 308 board?

    We should look at PPF readings instead of lumens/watt. Didi someone mention a thread on ledgarnder forum?
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    Meizhi 600w

    lemme understand. You have been unhappy with the life span of your chinese light and you're going to get another chinese light? Seems legit.
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    Thoughts on the Zeus 308 board?

    There is a thread about thermal testing eb2 strips, under 700mA (2ft) an heatsink is not needed. Don't know about others
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    Need help choosing DIY COB

    Yo You should start from a given grow space or a budget for a light. If you still want to go the cob way I would suggest, for example, export-estonia (ebay store) for Citizen 1212 gen6 90cri but you still have to find pin fin heatsinks. About 50euro for 5 cobs. I got em and I am happy with the...
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    Thoughts on the Zeus 308 board?

    Digikey ships from US warehouse, same for Arrow EDIT: I paid 30usd customs fee on a 150usd order, shipping included
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    Thoughts on the Zeus 308 board?

    wanna share a link? I know avnet europe has them but price is higher. Dunno if future electronics ships from eu
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    Thoughts on the Zeus 308 board?

    Should be these yes. Check the datasheet for additional info. this is an overview you could find helpful about led strips http://ledgardener.com/diy-led-strip-build-designs-samsung-bridgelux/ I am using EB2 560mm at 350-400mA each without heatsink, I am flowering in a 3ft-90cm height
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    Thoughts on the Zeus 308 board?

    I dont think you can source samsung strips directly from EU, dunno if @diyled still has some in stock. I would get Bridgelux Vesta strips btw, I am happy with my bridgelux EB2 but Vestas should be better. In a 60x60cm tent I would get 2ft strips (560mm) but if you do not want to buy overseas...
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    Thoughts on the Zeus 308 board?

    I still prefer hard strips for diy low budget builds
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    Thoughts on the Zeus 308 board?

    Now I see the heatsink. I should go to bed after work. Tme.eu is probably cheaper for drivers if buying from europe
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    Thoughts on the Zeus 308 board?

    I can't see or read about any heatsink. Btw even if they are genuine lm301b diodes that is costly! Any reason you want that board instead of a hlg quantum board? edit: for example https://www.todogrowled.com/es/hlg-quantum-boards/57-hlg-135w-kit.html at least you have a proper heatsink and driver
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    Thoughts on the Zeus 308 board?

    thats the price for 1 board?
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