Of lava lamps and other mood-making illuminates

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vvv
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Post by vvv » Sun Mar 20, 2016 7:20 am

Any LED lava lamps out there?
bandcamp;
blog.
I mix with olive juice.

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roscoenyc
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Post by roscoenyc » Sun Mar 20, 2016 8:32 am

vvv wrote:Any LED lava lamps out there?
I don't think that would work.
LED lights produce very little heat.
What's going on in a lava lamp is the heat from the bulb below brings the temperature of the wax up to it's melting point. Then the wax swirls in the water.

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vvv
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Post by vvv » Sun Mar 20, 2016 2:53 pm

Now that ya mention it ...

... makes sense.
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Drone
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Post by Drone » Sun Mar 20, 2016 5:49 pm

You can get LED glitter lamps and stuff, but the real thing requires the heat for the wax.

http://www.spencersonline.com/product/l ... 117774.uts
The previous statement is from a guy who records his own, and other projects for fun. No money is made.

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CraigS63
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Post by CraigS63 » Mon Mar 21, 2016 11:01 am

Drone wrote:You can get LED glitter lamps and stuff, but the real thing requires the heat for the wax.

http://www.spencersonline.com/product/l ... 117774.uts
Do they make IED (infrared emitting diodes)?

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Drone
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Post by Drone » Mon Mar 21, 2016 12:50 pm

CraigS63 wrote:Do they make IED (infrared emitting diodes)?
In general, or as decoration?

In general, yes, that's what goes in most remote controls.

As decoration? I've seen them around security cameras and stuff, to provide night vision, but that's not really decoration.
The previous statement is from a guy who records his own, and other projects for fun. No money is made.

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Post by The Scum » Mon Mar 21, 2016 1:17 pm

As Drone says, IR LEDs are pretty common, but they're mainly used for stuff like TV remotes and motion detectors, where they produce beam that's invisible to the eye.

They aren't a good means of heat transference. The couple of parts I just checked in datasheets are rated to less than 0.1 watt max dissipation. Not much power means not much heat.
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Drone
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Post by Drone » Mon Mar 21, 2016 2:10 pm

If you want heat, you need a chicken lamp.

Image
The previous statement is from a guy who records his own, and other projects for fun. No money is made.

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