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https://www.led-professional.com/products/led-simulation-tools/lumileds-launches-horticulture-lighting-calculator-to-accelerate-grow-light-development http://www.lumileds.com/horticulture/calculator/

Cree strikes with 4000K XP-G3 & 660nm XP-E Photo Red ! http://www.mouser.com/pdfdocs/HorticultureReferenceDesign.pdf

"Galaxy " . That's the new device I've designed for Astirgrows . Not completely finished yet ,but soon it will . Galaξ is a L.E.D. C.O.B. grow lighting system comprising of two units. The lighting unit (panel) and the power supply unit (power box ) . The two units are interconnected with a 3...

(Re-Posting Information .Article is not mine.Experience with Aminoacids is ,thought ..:wink:) Note : Aminoacids will do their miracle more profoundly in combination with organic fertilisers and a biological active substrate . Every growers dream is to produce that perfect crop however often...

Well... I'm not able to go to sleep ,tonight ... So -just for the fun of it- made a new tool ... A spreadsheet that calculates how many grams of CO2 your plant(s) fix per light cycle . How it works : Basically it multiplies the RQE McCree curve with the Cannabis L. Sativa absorptance...

,but fresh for NASA ...:P http://ntrs.nasa.gov/search.jsp?R=20150009399 Publication Date: May 31, 2015 ***sole source of lighting (SSL),for NASA ... ................................. (...) Red light. The most staple waveband of light that anchors SSL LED arrays for plant growth is red...

It came to me .. Another one of my most crazy ideas .... 1) We are not aware who actually is reading our posts .... 2) As the cannabis cultivation moves towards a better legally termed state , the more the different markets around this act ,will populate , at the same time they will be...

In case you're using two high wattage (>80 Watt ) led drivers to power COB LED arrays or plenty of LEDs in series ,then spend a minute or two and read about this complete protection . As for the actual circuit to be done ,all it takes is some average skills in soldering and nothin' much more...

Well ... Feel free to contribute ... Making a start .. ( " opening the gate .... " ) { AC Side } Glass braided-Silicon insulated wires . -Flame- proof . ( like in holding the wire inside or above the flame of a lighter ...As long as you like ... ***)...

Lately ,I fine member of this forum and very dear to me ,suggested his choice of solid state lights "combo "for the year 2015.Well ,to be honest , this suggestion kept showing up in front of my eyes from then... Many things were flooding my mind ..action spectrum ,this ,that ....A mess...Is that...

Quite a few -if not the most- of the Chip-On-Board LED growers , that choose the DIY way to obtain their Solid State light fixtures, choose to use a single driver to drive more than one COB LED array. While this method is quite simple and of course quite economic, as they avoid the purchase of...

A new light ... Still under design ..... Some info ... LED : 4x Bridgelux Vero 29 BXRC-30E10K0-L-X2 Drivers : 4x Meanwell HLP-60H-42 * Fan : 1x 140 mm Phanteks PH-F140XP Pwr Adjust : 1x 12 position Rotary Switch * Meanwell HLP-60H-42 : Efficiency @100% LOAD (230 VAC) : 91%+ 3in1 dimming...

Well .. Ain't about a grow light ,this time ... A friend who is an architect ,asked me for a designer's desk lamp ... LED lamp ,to be ... She specifically said : " - Not something expensive ,but as "fancy-cool " as possible ... " Women ... ... Anyway ... -24x cheap asian leds : 12x WW 3K...

Nope. It has nothing to do with auto-flowering varieties of Cannabis. Actually is more of an electronics project. From "Buenos Dias" .... It is a project of building an LED driver dimming device , that will increase and decrease the output current of the drivers , within a certain-preset-...

It seems that the 3IN1 dimming function is becoming rather a market's standard ,as it is incorporated by many other L.E.D. power supply manufacturers ,aside from MeanWell. Every individual way of three ,has it's own pros and cons ,regarding the overall design and dimming function of the...

Yeap.. ... Well... :bigjoint: Making D.I.Y. solid state grow lights-and boasting about it !!!- has become as addictive as growing itself .. Or might a tad more ? So .. Where was I ? Ah,yes .. I'm buiding poor myself a new 'dual COB' light .. ( I 've to ..I 've no single light to my...

This thread is going to be really slow in progression . Photosynthetic Active Radiation Solid State Light Model : Jade. Basic Parts List: - 2x Bridgelux BXRC-30E10K0-L-xx. - 2x MeanWell HLP-80-H-42. - 1x MeanWell PS-05-12. - 1x Noctua NF-P14 FLX - 1x EMI filter AC IEC C14 socket -1x heat...

Welcome to the Open Source (! ) On-line magazino regarding Chip-On-Board Solid State Light Tech . Feel free to post any News ,Links and Articles ,regarding Cobs/ Led arrays and DIY designing with 'em ! (Please add a title in bold letters,if posting about a part or series...

http://ssl.iea-4e.org/files/otherfiles/0000/0072/IEA_4E_SSL_Annex_Health_Aspects_Study_final.pdf

Well ... The big-moma 4x CXA3070 Z4 light is ..history ... (remember ? the white one ... ) Sold ! Yeap .... It was not good for my needs and ' restrictions' ... Very good light and very productive ..Yes ok ... Very good cooling ( at 2.1 A ,with ambient at ~35 C ,none of the four chips...