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Teardown: What’s Inside a Christmas Laser Projector?
In the world of big-box retail, December 26th is a very special day. The Christmas music playing on the overhead speakers switches back to the family friendly Top 40, the store’s decorations get tossed...
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Laser Galvo Control via Microcontroller’s DAC
Mirror galvanometers (‘galvos’ for short) are the worky bits in a laser projector; they are capable of twisting a mirror extremely quickly and accurately. With two of them, a laser beam may be steered...
View ArticleIKEA Lamp with Raspberry Pi as the Smartest Bulb in the House
We love to hack IKEA products, marvel at Raspberry Pi creations, and bask in the glow of video projection. [Nord Projects] combined these favorite things of ours into Lantern, a name as minimalist as...
View ArticleExperiment With Lumia, The Cheap and Easy Way
Light is a wonderful medium for art, and there’s all manner of ways to approach it. We’ve always been huge fans of all that blinks and glows, but there’s a whole wide world of other methods and...
View ArticleA Petite Pico Projector For Portable Pi
A few years ago, new, innovative pico projectors, influenced by one of the TI development kits, started appearing in Kickstarter projects and other various DIY endeavours. Those projects fizzled out,...
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Laser Projector Needs Hardware Hack After Software Mod
You probably recognize that dreadful feeling when you reboot a gadget after updating its firmware, only to be greeted by a blank screen and an unresponsive device. This apparently happened to the...
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Lasers, Galvos, Action: A Quest for Laser Mastery
If you’re into hacking hardware and bending light to your will, [Shoaib Mustafa]’s latest project is bound to spike your curiosity. Combining lasers to project multi-colored beams onto a screen is...
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