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  1. GrowLightResearch

    PWM Dimmer Circuit and Driver Open Source Development

    I will be testing some various ways to drive strips of LEDs. I recently tested some Bridgelux Gen2 BXEB-L0560Z-30E2000-C-B3 strips. Driving them in parallel created unbalanced currents in the strips. So I am look at alternative driver circuitry. I was thinking an expensive high efficiency CC...
  2. GrowLightResearch

    Bridgelux Gen2 BXEB-L0560Z-30E2000-C-B3 First Look

    This past weekend I threw together a test fixture to test the newish Bridgelux Gen 2 strips. I collected data on currents, temperature, and PPFD. 6 Bridgelux BXEB-L0560Z-30E2000-C-B3 strips. $7.36 ea. Driver: HLG-185H-54A, Constant current ≈$50 3 pair of strips with two strips wired in series...
  3. GrowLightResearch

    Current will ALWAYS be regulated by varying the output voltage

    @nfhiggs has a history of ruining good threads by spewing his ignorance and ranting. Rather than allow him to continue screwing up yet another thread I am moving his ignorance to this new thread. Last post from previous thread: Background:
  4. GrowLightResearch

    Blue and Yellow Elongation Photomorphogenesis with Seedlings

    I am going to try using Yellow with Blue rather than a cool white CCT from seed to flower. I will use the blue yellow for a week or two then switch to a 3000K warn light source, specifically 16 Bridgelux BXEB-L0560Z-30E2000-C-B3 Linear Strips. My question is: Has anyone here tried using...
  5. GrowLightResearch

    DIY Inexpensive Cree XP-3G LED HPS Equivalent

    Opulent Americas sells 12 Cree XP-3G top flux bin LEDs on a 2" x 6" Metal Core PCB with Dual Poke-In Connectors which accept 18-24 AWG solid or stranded wire. 70, 80, and 90 CRI, pre-installed Thermal Interface included. Digikey qty 10 pricing is about $17 ea. Datasheet attached. Cree...
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