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On 11.14.09, In Electronics
Remember Carl that made the Spinning RGB LED Ball Display? He has also built a wicked RGV Laser System! I can just imagine using this at the center of a big party. You would have to pass out eye protection though. 
“Three laser beams in primary red, green and violet are combined with the optics harvested from an HD-DVD drive to make white. The total output is 350-400mW, and wavelengths are 660, 532 and 405nm. The homemade TTL constant current driver modulates the lasers to simulate over 16 million colours from an ordinary RGB LED-circuit with PWM, amplified by transistors.”
Originally by Alan Parekh from Hacked Gadgets – DIY Tech Blog on October 4, 2009, 9:46am
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