zlacker

[return to "Lessons learned shipping 500 units of my first hardware product"]
1. mmh000+8O7[view] [source] 2026-02-03 23:26:10
>>sberen+(OP)
This is super interesting, and I'd actually be quite interested in buying a 60K-Lumen lamp... but not at $1200.

Years ago, there was an HN article "You Need More Lumens"[1], which in turn led me down a rabbit hole.

I ended up purchasing:

   4 standard table lamps from Target,
  28 2000-lumen Cree LEDs bulbs[2] and,
   4 7-way splitters[3].
The end result is somewhere around 56,000 lumens. And I LOVE it. Makes me much happier in my home office, especially in the winter months.

[1] >>10957614

[2] https://www.amazon.com/dp/B08H4RJQTT

[3] https://www.amazon.com/dp/B01FKIE6M4

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2. JKCalh+gR7[view] [source] 2026-02-03 23:41:31
>>mmh000+8O7
Curious if LEDs can really match the black-body that is our sun (and therefore incandescents).

I would get/build such a thing for my mental health, but I worry the LED illumination will be counter-productive.

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3. syncsy+Cc8[view] [source] 2026-02-04 01:55:34
>>JKCalh+gR7
Look for the CRI rating of bulbs that you buy. It's a measurement of how close to a blackbody spectrum the bulb is putting out, the highest fidelity being 100. Note that this is not the temperature measurement, and you can have e.g. 2700K or 5000K bulbs with high CRI.

Newer LED phosphors are typically 90+ CRI, and I commonly find 93 CRI bulbs available off the shelf.

https://en.wikipedia.org/wiki/Color_rendering_index

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4. JKCalh+Vi8[view] [source] 2026-02-04 02:45:43
>>syncsy+Cc8
Interesting. The Wikipedia entry mentions SPD and I think that is where I think LEDs fall down—having a skewed and/or incomplete spectrum. Even though it may make certain target colors look correct.
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