Fresh hacks every day
[Johnie] built himself a CNC woodburner powered by the sun. Like the solar 3D printer we saw last summer, [Johnie]'s build uses a giant Fresnel lens to focus sunlight onto a piece of wood. To get some control out of his build, a 2-axis bed was made from scrounged and junked parts. The lens in [Johnie]'s build looks to be about a foot square - more than hot enough to burn a few holes in things … [Read more...]
[David] sent in a nice project to demonstrate augmented reality with ARtoolkit and discuss the deep philosophical underpinnings of the meaning of nothingness. The good news is he was able to create a volume control button on a sheet of paper with a marker. The bad news is the philosophical treatment is a bit weak; [David] built something cool, so we're able to let that slide for now. This build … [Read more...]
It looks like Null Space Labs has a new pick and place machine. This immense repair job began when [Charliex] and [Gleep] found a JukiPlacemat 360 pick and place machine. The idea of having their very own pick and place machine proved intoxicating, possibly too much so because the didn't return the machine when they found out it wasn't working. After a ton of work that involved adding a … [Read more...]
[Ytai Ben-Tsvi] wrote in to share a little holiday project that he and friend [Al Linke] put together, a dynamic light display that takes its cues from his Android-powered smartphone. The display fits in a vase that sits in [Ytai’s] family room, and while it wasn’t exactly cheap to build, it sure looks nice. The vase is full of feathery decorative bits which help hide an addressable RGB LED … [Read more...]
As winter is officially upon us, we’re pretty sure that the last thing most of you are thinking about is mowing your lawn. We would argue that it’s actually the ideal time to do so - that is, if you are interested in automating the process a bit. [Robert Smith] has spent a lot of time thinking about his lawn, wanting a way to sit back and relax while doing his weekly trimming. He set off … [Read more...]
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