current

I want to built an LED grow light from scratch but I'm not sure what to look for when wiring in series and parallel on the same board. I want it to have different types of LEDs with different wavelength, like the Spider Farmer SF4000 or the SSK-272-RR-V2 for example, so I have to deal with...

Current ripple. On your drivers, when they are talking about the current ripple, is that a "+/-" figure? That the current could be +(θ)mA or -(θ)mA at any given time? Or that the current could be only+(θ)mA at given time or only -(θ)mA at a given time? Or is it the total range in which the...

So I have 2 areas, 12ft2 & 8ft2. I want to run em the cheapest way possible, while maintaining at least 160+ lm/w efficacy. Thinking... [8] Getian 2828 @37.5w ~170 lm/w [11] Getian 2828 @41.0w ~160 lm/w [1] 480h-36a To the point of the thread, has anyone used a relay, timer, resistor circuit...

So I am finding that in this process of DIY I am building more lights than I have room for above the garden. My area is a cabinet 40in x 23in x 50in tall. I have on the left side 2ft 8 (24w) T5 lamp mix of 6500 and 2900 and on the right side 2 diy CXA3070 (5000 and 3000) in parallel (designed...

Hey there, The question is how many plants can i fit in my room? my grow room demensions leave me with 90sq ft of usable plant area. I planned 4 or 6 1000W HPS and a C02 generator will these combined cause a heat problem?Minisplit is an option. Any advice is much appreciated. Thank you for your time