.

Find out how it was made in the tutorial video. Hey, brand new to indoor growing and very interested in building some cob leds, but I’m a little lost trying to figure out how much lighting I need for a 4’x8′ tent.
If you think back a few steps with an altitude of the distance between each LED you will get an area covered that is equal to the distance between the LEDs. Both should work just fine, so it probably is more a question of aesthetics.There is special milky acrylic with the right amount of diffusion, usually called opal.

I now see no reason not to switch out my hid and hps. Would be cool to find something transparent.

Question But if you blast the inside the outer side will look more shiny like clear acrylic. 1 = 100K ohms. These have a good opacity to be used as a diffuser if you double it. No light.

What kind of peppers are you growing? The first one is barely deep enough to house the LEDs and is the least effective one, so lets put that one away and look at the others. They are just some geometric shapes with a max dimension that I could still print on my printer. Get the directions in the video. Now, first thing’s first. To get an uniformly lit diffuser you either need to move the diffuser away further or apply double diffusion.But all this is really only important if you care about how the diffuser is lit.

That is entirely correct, the datasheets will tell you that. The depth is around 11mm which places the diffuser around 10mm over the LEDs. To make it a little bit easier lets take an angle of 60°. Should work quite well. This results in a pattern like you see in the sketches. By made2hack in Circuits LEDs. If you’re open-air, you could benefit from them. Lighting.        next determine the size of the battery pack and estimate room for the LED's on top of the - ours is 3" x3" x 1.5" While this is true for most applications you still have hot spots and looking directly at the light you see each individual LED.

Participated in the Make It Real Challenge. I’d like to test case temperature with different compounds to find out one day. Another solution is also to increase the distance from the LED to the diffuser. Hi man, Second diffuser with no spacing does only reduce light, not much more.If you have enough room to add some wadding try the stuff you get in cosmetic shops that is used to wipe of cosmetics. If you wanted to go a little bluer for your veg room, you could bump up to 4000K. Thats it! For a 600 watt room, you’re going to need a few drivers like, say, 2x HLG-320H-CXXXX or 3x HLG-185H-CXXXX. Do you adore the concept of a light up quote decor piece like we just talked about above but you’re not really into the… with no budget how many cxb3590 36v would you use over a 5×8 area? Hi mate, I’m in the UK and using 600w hps and leds at the min.

High power LEDs or SMD LEDs like the WS2812b or APA102 usually have a beam angle of 120°-140°, 5mm LEDs can have a beam angle of up to 180°. If you go the thermal compound route, put a pea-sized amount of it on the back of the COB and spread it out with an old plastic card: If you’ve purchased the right heat sinks for your particular model of COB, they will have come with pre-drilled holes that match the mounting points of your holders. What is the actual amount of W that the first setup takes “from the wall”?

It either comes in pads (useless) or a full bag of loose wadding. all that is left is to wire up your light source. What brand do you use? Had no choice but to include flat cover as well since there is no round cover with high enough depth.Also, from your statement on step 5, you seem to advocate against moving the diffuser further away to the LED than the distance between LEDs since it will be dimmer on the side than the middle.Doesn't this contradict with step 7 which advises on doubling the distance?Thanks.

So it can be more or less diffusion then the milky acrylic. to attache the circuit board to the battery pack i simply used electrical tape to hold it.

Cheers man! Any advantages or disadvantages would be helpful, Id completed my build In February 2020, the light is brilliant! Repeat for the negative side. It might not let you down but if it’s running hot I dont think it will live as long as a cooler build. Today, I decided just to drill the holes out so they were close to the size of the screw, then use self-tapping screws to anchor the COBs. Please suggest what I can do for 500 USD and to grow as many as possible as well as 2 heirloom tomatoes for salsa.

This large DIY LED 2×4 grow tent grow light is big enough to contain many container plants. Place the COB and line up the holes. The first step to wiring the COB to the driver is to hook up the COB.

*if you don't use a 3d modeling program you can start in a cad program and work in flat 2d shapes, all you need is rectangle that remains in the same spot as this is what acts as a light well.

Any recommendations on cobs?

Learned a lot through this and growmao5. Only one connection remains.
Great stream, I enjoy the educated conversation. Take your COB and fit it into one of your COB holders. Our lighting products are all designed with you in mind, whatever space you're illuminating, our wide range of energy efficient, stylish lights makes it easy to create a space you look forward to using. If I built two of these sets would that be enough? The light is very homogeneous but if you look closely you can still see a variance in the brightness of the light, but it is much better then the previous one.

There are acrylic sheets with a light transmission of 79%, these are usually used in bathroom installation as a privacy protection. Thats what I talk about in step 7. Make sure everything is unplugged until you’re 100% complete and certain everything is wired correctly. Hi, you will be soldering two LED's in parallel each with there own resistor. Between those two, I’d go 4000K. If it reads -12V, then the conductor you have your negative probe touching is the positive conductor). But it is not as prominent anyways so you can get away with it. preprinted circuit board,i used this one because it cut down on some soldering http://www.radioshack.com/product/index.jsp?productId=2102845 If you look directly at them the diffuser is lit everywhere but still shows hot spots. Of course, you can always pick and choose your own components to build your system, and if you decide to switch it up, be sure to read our post on Selecting COB LEDs and Matching Drivers and then check out our constant current driver selection tool to easily design your system using the current most popular COBs and Mean Well HLG series drivers. There are many more ways to achieve this like using acrylic light channeling but those are more complex and it is usually easier to use either single diffusion with enough distance or double diffusion.

So if you want it to glow alot spray many of coats, if you want it to be brighter stick to 2 or 3 coats. Thank you! The specs for my fan state that it only draws 160mA. A good rule of thumb is about 40 watts per square foot. You can find me under the same name there. I used a paper towel to get rid of the stock grease. Use a plastic card to spread the paste and smooth it out. So for super hots they seem to need less light then weed in other words. Check out these projects that work with LED strips in awesome and creative ways. It’s a vertical garden and uses LED grow lights. Use this control to limit the display of threads to those newer than the specified time frame. And what color temperature – 3000K only?

It also couldn't scratch or chip off. In the second sketch you can see the result if we apply the 60° angle. About: I am a hobby photographer specialized in lightpainting and building tools for this.

Next step, Save up some funds. We will use the kratky bucket system, DWC. But you can also simply use distance between LEDs and place first level in the middle of it.

High power LEDs or SMD LEDs like the WS2812b or APA102 usually have a beam angle of … What we are looking for is the same altitude to area covered ration. This might be the most time consuming part as there are lots of little pieces and each has two sides of the blue film. I will add some quantum boards later on when I save more. Make sure you screw the connections down very tightly no matter which style connector you use, and be sure there aren’t any stray strands of copper that manage to poke out. If the screw is long enough to get down into the fins of the heat sink, it can  go off in weird directions once it hits the fins and becomes more prone to snapping. First of all, thank you! Thanks for the reply, stupid question but what size heat sink would this require? It is normal wadding used in teddy bears and such stuff. Hi Joe, I’d recommend a minimum of about 600 watts per 4’x4′ space.

After that, if you don’t mind, I’ll send you my shoplist to check.

Learn how to build this clear acrylic grow light in this long step by step video tutorial. Lol.

Reply

This allowed me to lay it flat for drilling. I have a grow room of 100x200x200cm.  this gives you the lines needed to create the laser cutting file. 7 years ago Follow this tutorial to build a homemade LED grow light system to grow indoor plants. There’s generally a springy little tab that you’ll need to depress, and a couple corners you’ll need to fit your COB into. Learn more here. Again, I’d recommend using the Wago connectors from the first build rather than the yellow connectors I used on this build. If you’re using a cable with a 3-prong connector, you’ll have a 3rd conductor, which is ground.

2 ( or how every many you want) LED's http://www.radioshack.com/product/index.jsp?productId=3060980

The only thing that matters here is how far the diffuser is away from the LEDs. I’m very interested in building a 50 watt cob light just to keep a mother plant alive and some clones in a 60x60x140 tent, no idea where to start with components though. so to achive this you can frost the glass or sand the edges. With that in mind the fundamentals of this project rely on a light shaft in the center of the lamp, and rough edges of each contour to allow a terminating point for the light. once the board is all soldered splice the positive and negative wires to the wires that are attached to your battery pack.

Learn to build these cheap, low powered grow lights in this YouTube tutorial. The third one has a similar aluminium profile as the second one but uses a round profile for the diffuser.

I highly recommend using safety glasses when drilling into metal. Do you mind describing the process for getting the shapes in step 7?

I really would appreciate your help. IT IS DESIGNED TO PREVENT FINGER PRINTS BUT IT ALSO PREVENTS THE ACRYLIC FROM BURNING DURING THE CUTTING PROCESS. Nothing. Drill out your 2 holes as precisely as you possibly can.

In the past, I have drilled the holes out, then tapped them and used a machine screw to fasten the COB into place.

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