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A 3D Printer with Dual Extrusion Option
Computer Hacks

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  The MakerBot Replicator is here! It’s an amazing 3D printer which lets you print 3D objects in different colors. It has dual extrusion now which facilitates printing objects in two different colors simultaneously. Check out what Bre Pettis from MakerBot Industries has said about the new model. Via: MakerBot Industries “The MakerBot Replicatorâ„¢ creates anything you can imagine with the new MakerBot Stepstruderâ„¢ MK8, the extruder is the part

RGB LED Ring - Version 2
Cool Gadgets

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  This RGB based LED ring is the second version of a project which has three LED driver chips which enhance the brightness of the color lights. I found the second version more appealing than its ancestor when I watched the video. The first version used only one LED driver IC which was less attractive than this one. If you want to give this cool RGB based LED ring a