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Last Build Date: Tue, 24 Jan 2017 05:12:10 +0000

 



3D Printer Transforms to CNCcncwd5gnr1

Tue, 24 Jan 2017 03:00:00 +0000

Superficially, it is easy to think about converting a 3D printer into a CNC machine. After all, they both do essentially the same thing. They move a tool around in three dimensions. Reducing this to practice, however, is a problem. A CNC tool probably weighs more than a typical hotend. In addition, cutting into solid material generates a lot of torque.

[Thomas Sanladerer] knew all this, but wanted to try a conversion anyway. He had a few printers to pick from, and he chose a very sturdy MendelMax 3. He wasn’t sure he’d wind up with a practical machine, but …read more

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Arduino Video isn’t Quite 4Ksnailwd5gnr1

Tue, 24 Jan 2017 00:00:00 +0000

Video resolution is always on the rise. The days of 640×480 video have given way to 720, 1080, and even 4K resolutions. There’s no end in sight. However, you need a lot of horsepower to process that many pixels. What if you have a small robot powered by a microcontroller (perhaps an Arduino) and you want it to have vision? You can’t realistically process HD video, or even low-grade video with a small processor. CORTEX systems has an open source solution: a 7 pixel camera with an I2C interface.

The files for SNAIL Vision include a bill of materials and …read more

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Awesome Illuminated Arcade SpinnerIlluminated arcade spinnersstevenduf

Mon, 23 Jan 2017 21:00:00 +0000

[Tinker_on_Steroids] made some awesome looking spinners that not only light up when spun but are a really professional looking build on their own. Before we’d watched his assembly video we were sure he’d just added on to something he’d bought, but it turned out it’s all custom designed and made.

In case you’ve never played the old arcade games, a spinner is an input device for games such as Tempest or Breakout where you rotate a knob in either direction to tell the game which way and how fast to move something. In Tempest you rotate something around the middle …read more

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Autopilots Don’t Kill Drivers, Humans Dotesla-autopilot-exklusiver-test-auf-deutscher-autobahn-ux4ykjv7zmwmkv-shot0002_featuredhexagon5unquote-not-a-true-targetcropped_shot_2017-01-23-181745

Mon, 23 Jan 2017 19:31:10 +0000

The US National Highway Traffic Safety Administration (NHTSA) report on the May 2016 fatal accident in Florida involving a Tesla Model S in Autopilot mode just came out (PDF). The verdict? “the Automatic Emergency Braking (AEB) system did not provide any warning or automated braking for the collision event, and the driver took no braking, steering, or other actions to avoid the collision.” The accident was a result of the driver’s misuse of the technology.

This places no blame on Tesla because the system was simply not designed to handle obstacles travelling at 90 degrees to the car. Because the …read more

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Woodworking Basics for the Hardware Hackerwoodworking-for-hackers-featureddpsm64Office side of my little "hack shack," a prefabricated 10'x12' shed. All the interior woodwork is mine except for the IKEA cabinets. I like wood.Harbor Freight's entry-level miter saw. Source: Harbor FreightKreg pocket-hole jig. Source: Kreg Toolsimg_20170110_143849695Large Forstner bit - use a drill press! Source: Traditional Woodworker.comCounterboring for mounting pot to a wood panel. I hogged out the wood to 1/8" thick with a Forstner bit.

Mon, 23 Jan 2017 18:01:08 +0000

Hackaday is primarily a place for electronics hackers, but that’s not to say that we don’t see a fair number of projects where woodworking plays a key role. Magic mirror builds come to mind, as do restorations of antique radios, arcade machines built into coffee tables, and small cases for all manner of electronic and mechanical gadgets. In some of these projects, the woodworking really shines and makes the finished project pop. In others — well, let’s just say that some woodwork looks good from far, but is far from good.

Far be it from me to pass judgment on …read more

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Hackaday’s Sci-Fi Contest Hits Warp Speedscifiadamfabiorigolmaker-minitrek2-croppedlego-cropped

Mon, 23 Jan 2017 17:01:37 +0000

Hackers’ perspiration may go into soldering, coding, and building. For many of us, the inspiration for these projects comes from science fiction. The books, movies, TV shows, short stories, and comics we all grew up on, and continue to devour to this day. We’re paying homage to all these great Sci-Fi stories with our latest contest.

The Sci-Fi Contest isn’t about the most efficient way of building a 555 circuit or the tightest code. This one is about celebrating science fiction in the best way we know how — building awesome projects. This is Hackaday, so you’re going to have …read more

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Robo-Flute Whistles MIDIflutewd5gnr1automated-recorder-solenoid-driver

Mon, 23 Jan 2017 16:00:00 +0000

We aren’t sure this technically qualifies as music synthesis, but what else do you call a computer playing music? In this case, the computer is a Teensy, and the music comes from a common classroom instrument: a plastic recorder. The mistaken “flute” label comes from the original project. The contraption uses solenoids to operate 3D printed “fingers” and an air pump — this is much easier with a recorder since (unlike a flute) it just needs reasonable air pressure to generate sound.

A Teensy 3.2 programmed using the Teensyduino IDE drives the solenoids. The board reads MIDI command sent over …read more

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