The Handsfree Icebucket Challenge Backpack

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The ALS Ice Bucket Challenge has taken the internet by storm as tv stars, musicians, athletes, kids, students and everyone in between have thrown freezing water all over themselves in an effort to raise awareness (and millions of dollars) to help cure the neurodegenerative disease. So when [Christopher] was challenged by a friend, he decided to make an icebucket backpack that would pour the liquid from above without having to use his hands.

The wearable device uses a Barometric pressure sensor that is triggered when air is blown into a tube. This sensor is attached to an Arduino Uno. Once activated, the pouring process begins drenching the person below in ice cold water. It’s a little unnecessary, but it gets the job done in a fun, maker-style way. Now if you make something similar, don’t forget to actually support the cause and donate money.

To see the icebucket backpack in action, check out the video after the break:

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Faucet Add-On Attempts to Save Water by Changing Colors

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This augmented water device was rapidly developed during an H2O hackathon in Lausanne, Switzerland. It was built by a software engineer code-named [tamberg]. His creation contained an Arduino Uno, a strip of NeoPixels, a liquid flow sensor, and a tiny lithium-ion battery attached to a cut medical tube that was re-purposed for monitoring water use.

From the looks of it, this project addressed a specific problem and went on to solve it. The initial prototype showed a quick and dirty way to monitor precious water that is literally being flushed down the drain.

To see how the device was made, click the first link posted above for a set of Instructables. Code for the device can be found on [tamberg]‘s bitbucket account. A demo video of the device being tested on a sink can be seen after the break.

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An Auto-Leveling Gyro Camera For Motorcycle Enthusiasts

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[Saftari] was inspired by the technology used to capture video in the MotoGP World Championship races to create these instructables on how to build an auto-leveling Gyro camera. The setup he developed maintains the camera at a consistent level perpendicular to the earth no matter how much the motorcycle angles against the ground when turning.

The components involved include an Arduino Uno, a Triple Axis Accelerometer, a digital servo, and a Gyro breakout board. A bracket was built to house and secure the camera to the side of the vehicle. 2mm acrylic was used for this and was bent by heating up the material. Once complete, test runs were completed showcasing the capabilities of this type of Do-It-Yourself rig.

The quality of the video after the break is a little bit blurry, but it proves the point that a Gyro camera setup can be built at home:

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Flex Sensing for a DIY Data Glove

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[Cyber] has been testing out intuitive input methods for virtual reality experiences that immerse the user further into the virtual world than archaic devices like a keyboard or mouse would allow. One of his biggest interests so far was the idea of a data glove that interacts with an Arduino Uno to interface with a PC. Since commercial products are yet to exist on a readily available level, [Cyber] decided to build his own.

He started out with a tiny inertial measurement unit called a Pololu MinIMU-9 v2 that tracks orientation of the 3-axis gyro and accelerometer. The USB interface was soldered into place connecting the wires to an Arduino Uno. From there, he hooked up a flex sensor from Spectra Symbol (which were supposedly used in the original Nintendo Power Gloves) and demoed the project by tracking the movement of one of his fingers. As the finger bent, the output printed on the serial monitor changed.

[Cyber] still needs to mount a glove on this system and construct a proper positional tracking method so that physical movement will be mirrored in a simulation.

[Cyber's] day job has had him busy these last few months, which has forced the project into a temporary hold. Recently though, [Cyber] has been an active member and an influence in the local Orange County VR scene helping to build a nice development culture, so we’re hoping to see more updates from him soon.

To view what he has done up to this point, click the link at the top of the page, and check out the video after the break:

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Creepy Cat Eyes with a Microsoft Kinect

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Ever feel like someone is watching you? Like, somewhere in the back of your mind, you can feel the peering eyes of something glancing at you? Tapping into that paranoia, is this Computer Science graduate project that was created during a “Tangible Interactive Computing” class at the University of Maryland by two bright young students named [Josh] and [Richard], with the help of HCIL hackerspace.

Their Professor [Dr. Jon Froehlich] wanted the students to ‘seamlessly couple the dual worlds of bits and atoms’ and create something that would ‘explore the materiality of interactive computing.’ And this relatively simple idea does just that, guaranteeing some good reactions. 

As you’ve probably gathered from the title, this project uses a Microsoft Kinect to track the movement of nearby people. The output is then translated into actionable controls of the mounted eyeballs producing a creepy vibe radiating out from the feline, robot poster.

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The BlueOkiris Gameduino Console

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[Dylan] created an easy to make gaming console with an Arduino Uno, a makeshift button, an analog stick, and a TFT LCD touchscreen shield. Plus, he fashioned together a simple button with some duct tape.

So far, he has made 2 games. One is the infamous Pong. The other is a ‘Guess the Number’ type experience. The whole project is run within the code, and does not access the bootloader directly like you would with 2boots or a regular Gameduino adapter.

Build instructions can be found on [Dylan]’s hackaday.io project page (linked above). Essentially, all that is needed is to gather up the supplies, then take the button and analog stick and complete a circuit, fitting the open wires into the slots at digital pin 9. Solder the wires in place and connect ground to ground, 5v to 5v, x to A4, and y to A5. Add the TFT shield, insert a micro SD card, and upload a game.

To see it in action, check out the video after the break:

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Network Controlled Decorative LED Matrix Frame

LED-Pixel-FrameThere is nothing better than a project that you can put on display for all to see. [Tristan's] most recent project, a Decorative LED Matrix Frame, containing 12×10 big square pixels that can display any color, is really cool.

Having been built around a cheap IKEA photo frame this project is very doable, at least for those of you with a 3D printer. The 3D printer is needed to create the pixel grid, which ends up looking very clean in the final frame. From an electronics perspective, the main components are a set of Adafruit Neopixel LED strips, and an Arduino Uno with an Ethernet shield. The main controller even contains a battery backup for the real time clock (RTC) when the frame is unplugged; a nice touch. Given that the frame is connected to the local network, [Tristan] designed the frame to be controlled by a simple HTML5 interface (code available on GitHub). This allows any locally connected device to control the frame.

Be sure to check out the build details, they are very well done. If you are still not convinced how cool this project is, be sure to check out a video of it in action after the break! It makes us wish that you could play Tetris on this frame. Very nice job [Tristan]!

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