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Old 12-08-2017, 09:30 PM   #181
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Thank you!
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Old 12-09-2017, 03:06 AM   #182
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This is from the manufacturer of my LEDs.
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Old 12-10-2017, 12:10 AM   #183
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Here's my spectrum image for the Full Spectrum, Red 660nm, Royal Blue 440-450nm.
However, I'm not real confident in this spectrometer. Still trying to figure out the software too. Not sure if it retains the calibration after it shuts down or you have to recalibrate each time. It is semi close to being calibrated.
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Old 12-10-2017, 01:24 AM   #184
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That's super interesting.

I just hooked one of these up to a light. Pretty cool to use a remote on them.
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Old 12-10-2017, 02:08 AM   #185
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The Theremino stuff is incredible. Took a while to find the software and diy but looks simple enough. Going to try it just as soon as I get a new laptop.
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Old 12-10-2017, 02:20 PM   #186
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Quote:
Originally Posted by bombbudpuffa View Post
The Theremino stuff is incredible. Took a while to find the software and diy but looks simple enough. Going to try it just as soon as I get a new laptop.
That was the hardest part of the project, finding the software.

I saw the dimmer you installed. For the little 1-5w haven't seen any leaf burn except when within an inch from the full spectrum LED. The 100w is a little different, wish I would have got a dimmer, but the drivers I bought didn't have that feature. Getting a little burn at 1.5 feet, safer at 2 feet. Maybe need to take off the lens.

I would like to see a build with a red, blu, grn 100w LEDs with the drivers that have the remote to change the color spectrum, then program the appropriate spectrum for the growth cycle.
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Old 12-10-2017, 04:39 PM   #187
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Quote:
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That was the hardest part of the project, finding the software.

I saw the dimmer you installed. For the little 1-5w haven't seen any leaf burn except when within an inch from the full spectrum LED. The 100w is a little different, wish I would have got a dimmer, but the drivers I bought didn't have that feature. Getting a little burn at 1.5 feet, safer at 2 feet. Maybe need to take off the lens.

I would like to see a build with a red, blu, grn 100w LEDs with the drivers that have the remote to change the color spectrum, then program the appropriate spectrum for the growth cycle.
They make the controllers for that for lil or nothing. Throw one together. Need a link?
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Old 12-10-2017, 10:58 PM   #188
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That's going to be a someday project, I'm still working on yesterday's project not to mention last weeks project is still waiting to be completed.

I dug out some other lights for a quick look at their spectrums.
Fluorescent tube in a work light,
old metal halide,
really old HPS.

All my tests are completed in the least controlled environment. There is also a reflection that can be seen at times. Thats all or most of the spikes in the black region. I think there is also too much light getting thru and over driving the camera.
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Old 12-10-2017, 11:45 PM   #189
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Maybe make the light slot more thin? Loving what you're doing in this thread.
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Old Yesterday, 07:09 PM   #190
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Quote:
Originally Posted by bombbudpuffa View Post
Maybe make the light slot more thin? Loving what you're doing in this thread.
Hard for me to make thinner. Wood isn't the best material to make a thin slot. It will have to be made from some metal so it can be adjustable. I may just be able to use a couple of polarizing lens but don't know if that affects the spectrum.
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Old Today, 12:49 AM   #191
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My be a lil sliding door like design where you can adjust the slit.
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Old Today, 01:11 AM   #192
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That is the way to do it, but it has to be precise. That's the part I have to think about. I think about how parallel those door have to be, type and shape of material. I have to make sure it doesn't cause light leaks or more reflections.

Here is the tube light spectrum. With a little modifacation to the spectrometer. I taped a calibrated piece of a milk jug across the slit. One of the problems with the spectrometer is the length, hard to fit into a little cabinet. I think it shows a pretty good representation of the spectrum of my tube light.
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