Recent content by desked

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    Ultra high performance desk lamp - LED & battery

    ===> Thanks for all the input guys. I think I will try the Soraa MR16 3000K constant current lamp for good color rendition in a point source. Per the spec sheet, this bulb has: *Operating current - typical 300mA - max 350mA *Forward voltage - nominal 28.4v - range 25v - 30v - PS...
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    Ultra high performance desk lamp - LED & battery

    Thanks for the ideas Keitho. That guy also has a comprehensive walk through a yuji 100w COB with a basic dimmer and inexpensie computer watercooler; it is worth the 5 minutes to see his engineering and pot tweaking. . . https://www.youtube.com/watch?v=kh9j5mDU_hA
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    Ultra high performance desk lamp - LED & battery

    Re: Ultra high performance desk lamp - LED & battery Thanks for the tip Maukka! Indeed that is an interesting panel at a budget price. I assume several people saw the teardown and measurements of that Viltrox panel on youtube by electronupdate. If you look on the recent written youtube...
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    Ultra high performance desk lamp - LED & battery

    Re: Ultra high performance desk lamp - LED & battery Thanks for the tips nitebrite. Especially relating to the tempting Chinese lamp fixtures. The lightolgy site is well worth checking out! Wonderful fixtures but is a bit rich for our blood and outside the DIY nature of the project. For...
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    Ultra high performance desk lamp - LED & battery

    archimedes - either subforum is fine. Thanks!
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    Ultra high performance desk lamp - LED & battery

    Greetings, This seems to be the best global source of high-performance LED & battery knowledge. We were wondering if you might provide some guidance for building an "ultra-high-performance" desklamp lamp. This is quite similar to a flashlight. The lamp will be used for comfortable reading...
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