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Spiral Brain (who was a recent contest winner) has made an interesting Spinning Mirror Laser Project. At first when I watched the video the beginning looked like someone was spinning a few bright LEDs in their hands on a dark night. The patterns that followed show off the capability of the system to make some nice looking complex pattens. “The main hardware setup consists of a Laser and two motors. A mirror is attached to each motor in a way that the mirror is slightly tilted to the axis of the motor. when the motor rotates the mirror the plane of the mirror is not flat and projects the laser in the form of circles. each motor creates a circle from the light falling on it. this combines to create circles within circles thus creating the effect. to add to the effect the laser light is pulsed using PWM which breaks the circle into lines further enhancing it.”
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July 20th, 2010
[...] via hackedgadgets [...]
July 27th, 2010
This is a laser project that is very similar and I think it deserves to be put here as well it involves 3 spinning mirrors and it also has a micro controller so that the values of the speed of the mirrors it randomly generated.
Some of the pictures are spectacular.
http://www.instructables.com/id/Laser-show-for-poor-man/
August 2nd, 2010
Now to get it linked to my netbook, injet printer motor, so that the mirror(s) will have a 3-color advertising onto the night-time buildings or clouds.
Need to wary – no aircraft flying overhead. In Oz, it’s a criminal offense.
Think of the $$ we could make … do nothing, & hire-out complete setups.
Retired (medical) IT Consultant
Australian Capital Territory