Author Archives: Brian Benchoff

Finite Element Analysis Results In Smart Infill

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If you would like to make a 3D print stronger, just add more material. Increase the density of the infill, or add more perimeters. The problem you’ll encounter though is that you don’t need to add more plastic everywhere, only in the weak areas of the part that will be subjected to the most stress. Studying where parts will be the weakest is the domain of finite element analysis, and yes, you can do it in Fusion 360. With the right techniques, you can make a stronger part on your 3D printer, and [Stefan] is here to show you how …read more

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The WiFi Phone That Respects Your Right To Repair

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Phones are getting increasingly more complex, more difficult to repair, and phone manufacturers don’t like you tinkering with their stuff. It’s a portable version of a John Deere tractor in your pocket, and Apple doesn’t want you replacing a battery by yourself. What if there was a phone that respected your freedom? That’s the idea behind the WiPhone, and soon it’s going to be be a crowdfunding campaign. Yes, you will soon be able to buy a phone that respects your freedom.

We took a look at the WiPhone a few months ago, and the idea was solid: make a …read more

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The Design And Construction Of A Tribute To A Bomber Pilot

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Decades ago, [wilmracer]’s grandfather was piloting a B-17 over the Rhine, and as it goes, aviation runs in families. Now, more than 70 years later [wilmracer] is deep, deep into remote controlled aircraft, and he’s building an exacting scale model of the B-17G his grandfather flew on his last bombing mission over Europe.

This is a scratch build, with the design taken directly from the plans and schematics of a B-17. [wilmracer] has already paid the money to go up in the preserved B-17 Aluminum Overcast to get a better idea of the layout, and now he’s deep into cutting …read more

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Hardware Developers Didactic Galactic Call for Talks

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Hackaday is known for having the best community around, and we prove this all the time. Every month, we hold meetups across the United States. This, in addition to conferences and mini-cons across the globe mean Hackaday is the premiere venue for technical talks on a wide variety of hardware creation. Everything from Design for Manufacturing, to the implementation of blinky bling is an open topic.

Now, we’re looking for the talk you can give. The Hardware Developers Didactic Galactic is a monthly gathering hosted by Supplyframe, the Overlords of Hackaday. It’s filled with the technical elite of San Francisco, …read more

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Tesla Eyes Ultracapacitor Future With Maxwell Acquisition

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As reported by Bloomberg, Tesla has acquired the innovative energy storage company Maxwell Technologies for $218 Million. The move is a direct departure from Tesla’s current energy storage requirements; instead of relying on lithium battery technology, this acquisition could signal a change to capacitor technology.

The key selling point of capacitors, either of the super- or ultra- variety, is the much shorter charge and discharge rates. Where a supercapacitor can be used to weld metal by simply shorting the terminals (don’t do that, by the way), battery technology hasn’t yet caught up. You can only charge batteries at a specific …read more

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How One Company Cracked The GameCube Disc Protection

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The Nintendo GameCube was the first console from Big N with disc-based media. Gone were the cartridges that were absurdly expensive to manufacture. In theory games could be cheaper (yeah, right), and would hold more textures, pictures, and video. Around the time the GameCube hit shelves, your basic home computer started getting DVD burners, and you could walk into Circuit City and buy those tiny little DVD-Rs. But you couldn’t do it. You couldn’t burn GameCube games, at least without advanced soldering skills.

One company did. Datel, a British company that produced the Action Replay, the ‘Game Genie of the …read more

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OpenISA Launches Free RISC-V VEGAboard

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RISC architecture is gonna change everything, and I still can’t tell if we like that movie ironically or not. Nevertheless, RISC-V chips are coming onto the market, chipmakers seem really interested in not paying licensing fees, and new hard drives are shipping with RISC-V cores. The latest development in Open instruction sets chips comes from OpenISA. They’ve developed the VEGAboard, a dev board with two RISC-V chips and Arduino-style pin headers.

The VEGAboard comes loaded with an NXP chip which combines an ARM Cortex-M0 and Cortex-M4. So far, so good, but there are already dozens of boards that combine two …read more

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Recycled Piano Becomes Upcycled Workbench

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Pianos are free, in case you’re not hip to the exciting world of musical instrument salvage. Yes, the home piano, once the pinnacle of upper middle class appreciation of the arts, is no longer. The piano your great aunt bought in 1963 is just taking up space, and it’s not like the guy on Craigslist giving away a free piano has a Bösendorfer.

It’s out of this reality of a surplus of cheap used pianos that [luke] built a new desk. He got it a while ago, but after getting it into his house, he realized it was too old …read more

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Hackaday Links: February 3, 2019

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Once technology that was only available to expensive design teams, and high-end engineering work, 3D printers are now readily available to anyone. Designing a physical prototype with a 3D printer is now something anyone can afford. Did I say anyone? Yes, anyone, even the people trying to build perpetual motion machines. Here’s one on Kickstarter powered by physics. It’s repelling magnets turning wheels.

The study and development of Artificial Intelligence began in the late 1950s and early 1960s. There were conferences, there were talks, colloquium, journals, the works. It was the beginning of a golden age. That came to a …read more

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Leap Motion’s Project North Star Gets Hardware

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It’s been more than a year since we first heard about Leap Motion’s new, Open Source augmented reality headset. The first time around, we were surprised: the headset featured dual 1600×1440 LCDs, 120 Hz refresh rate, 100 degree FOV, and the entire thing would cost under $100 (in volume), with everything, from firmware to mechanical design released under Open licenses. Needless to say, that’s easier said than done. Now it seems Leap Motion is releasing files for various components and a full-scale release might be coming sooner than we think.

Leap Motion first made a name for themselves with the …read more

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