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Laser Spirograph
The 68HC908QT4-based laser projects onto
a primary offset mirror. The primary mirror spins a circular
image onto the secondary mirror, which is also spinning. The
secondary mirror then projects the first pattern onto a wall
or screen. The difference in mirror speeds of the two motors
creates spirograph-like images.
Matthew Bieker
U.S.
mattbieker@verizon.net
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