Recent content by poolman966554

fenix-store
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    Single mode light find

    i have good stuff like fenix, but my daily beater is a ultrafire wf-502b host. When i loose it at work, im more pissed about the battery that was in it lol. My current light has been going for 3 yrs now. that said, you can get single mode "p60" drop ins for it really cheap. a quick search, and...
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    Waterproofing COB LED

    Has anyone tried Corrosion X on leds?? ive recently built up a racing drone, as its a new hobby.. Came across this after my first Flight controller died after a crash in long wet grass.
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    100W LED chip questions

    Welcome to the forum! I personally have no experience with those high power leds, but i noticed you linked a 100 watt heatsink. That fan is rated for 12vdc, you led is rated at 32vdc. You will need different power sources for each. Secondly, that CPU power supply will not work for your leds...
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    Will this setup work with this driver?

    EDIT: Re-read post, and agree with evilc66.
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    Buying the 12V 10W COB units in the UK.

    Does that mean you need to power the driver from 12vdc?? if so, you could search for "dc-dc led driver". then find something at 1amp rated over 10watts. a quick search found this ...
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    found a VERY simple driver schematic.. Is it worthy??

    thanks for the detailed responses! i think i understand how this circuit works now, and feel more confident to try and replicate/understand it. although I cant seem to work out the resistor value of R1. the tutorial says use a 100k, but why 100k??? I had a project about 9 months ago where i...
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    found a VERY simple driver schematic.. Is it worthy??

    SOURCE: http://www.instructables.com/id/Circuits-for-using-High-Power-LED-s/?ALLSTEPS im a little more familiar with electronics and rc circuits than i was a year ago(simple ones anyway) .. Last circuit i made (well,replicated) was a modified bh1417 fm transmitter circuit. dont look very...
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    wiring 5x 10w leds

    first off, i highly recommend you to use an led driver to run these. From the specs on the page you linked, it says that these leds want 1050 max current. So, id look into a Meanwell driver "LPC-100-1050" as it will run at 220v, has a high enough output voltage to run all leds, and has an output...
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    I want to build some REALLY bright off road auxiliary lights

    the cxa requires more voltage than your vehicle can provide, so youd need a BOOST driver. Id suggest having a look here it thats you final decision: http://www.taskled.com/compare.shtml That said, there are a couple members here that make AWESOME drivers for 12 volt use. I Made an 8 led XM-l...
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    Help needed, Powering LED 12V 10W CHIP using a car battery...

    The seller saying use a 1.5ohm resistor seems kinda vague to me.. That will change with slight voltage variance, heat and other factors. That said, a resistor is a poor way of driving an led. But, lets do it. First off, this is all calculated by using Ohms Law. lets do the math. We need to know...
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    LED strip lights for aquarium

    i have used ebay lights with good luck outdoors, not expensive at all. i was actually pleasantly surprised as the waterproofing is a solid substance poured over leds, that means very waterproof! Id check out ebay with the search terms 5M 5050 RGB SMD LED Waterproof Flexible Strip 300 LEDs + 44...
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    Question on Forward Voltage

    If im looking at the same datasheet, your 6v version of this mtg2 has a max current of 3a. i think the 1100 your seeing is referring to the forward voltage example.. saying that the 6v version of this led running at 1100ma will run at 5.7v to run this led at 6V, you will run around 2200ma...
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    How to drive 8 leds at 10watt-12vdc each..

    look at this http://www.meanwell.com/search/HLG-120H-C/HLG-120H-C-spec.pdf If you look at 'constant current region' it gives a voltage spread. That voltage is 74V-148V. so that means you can connect all leds in series (which will be 96V, and within voltage range of unit)) also notice 'CURRENT...
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    How to drive 8 leds at 10watt-12vdc each..

    i made a mistake on this link, copied the wrong tab.. meant this one: http://www.ebay.com/itm/100W-Constant-Current-LED-Driver-AC100-250V-to-DC30-36V-3A-for-100W-LED-Light-/281159182198?pt=LH_DefaultDomain_0&hash=item417664a776 Also im with 18650, as i am also still learning. Agreed on...
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    How to drive 8 leds at 10watt-12vdc each..

    just did a quick browse on ebay and found this. if you wanted to run them at max amperage, i think this should work for you...
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