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sirkillalot617
06-11-2008, 04:19 PM
Hi Iv done a drawing in sketchup to show what I mean basicly the middle circle is a temperature dial (old needle type) mounted in frosted plexy glass. The circles round the out side are also frosted plexi but there are leds behind each one.

What I want it for each to light up in turn moving around the circle clockwise so it looks like the light is spining around at a moderate speed.

How could I do this?

Design
http://i96.photobucket.com/albums/l168/sirkillalot617/untitled.jpg

Fuganater
06-11-2008, 06:50 PM
Only thing I can think of is using some kind of small motor. Maybe one out of a small model plane or something. And for the lights, you'll have to find a circut that is timed and will support that many LED's.

Mach
06-11-2008, 11:55 PM
You mean like this but in a circle?
<object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/nYkDSkph9WI&hl=en"></param><embed src="http://www.youtube.com/v/nYkDSkph9WI&hl=en" type="application/x-shockwave-flash" width="425" height="344"></embed></object>

If you want to roll your own, google "led sequencer".

Here's one

http://electronicdesign.com/Articles/Index.cfm?AD=1&ArticleID=6381

If you want to hack something apart, you can try and aerocool usb mousepad.

http://www.aerocool.us/p-peripheral/aerobase/aerobase.htm
http://www.3dxtreme.net/index.php?id=aerocool-aerobase2

sirkillalot617
06-12-2008, 06:00 AM
Cheers Mach exactly what I wanted you got rep:)