Aurora Mixer Now Available


It’s been a long time coming but that highly sought after open source mixer, the aurora224 is now available for purchase on the company’s website. The aurora mixer is a fully programmable USB mixer complete with 24 back lit knobs, 2 faders, and a single crossfader.

While the instructions on how to assemble your own mixer from scratch have been available for sometime now, many wanted a kit complete with everything needed to avoid having to source the parts themselves.

The aurora mixer is available in 2 versions, a fully assembled turn key deck and a DIY kit that requires the use of a soldering iron and the ability to follow directions.

So, if you’ve wanted to build your own aurora mixer but never knew where to start, this may be your lucky day. Don’t wait too long as you have until September 1st to get your order in.

SenseSurface: Custom Inputs On Your Lcd Screen


[Lindsay Williams] has come up a novel way of constructing custom physical inputs for your programs. SenseSurface is a viable alternative to building a new interface for each application. Simply place the dials, buttons, and sliders on your screen wherever you want them.

A sensor board, placed behind the display, picks up the signals from the inputs. The only limitation to the number of inputs available is the size of your screen. Inputs are held on magnetically, and have a low friction backing to avoid scratching or gouging your screen.

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Aurora Open Source Hardware Mixer


We’ve seen some fairly impressive mixer projects this year, and the Aurora mixer is no exception. It is a dual channel USB-powered mixer with two linear faders, one crossfader, eight backlit buttons and 24 potentiometers, all built around a PIC 18LF4525 microcontroller. That’s all pretty typical for a mixer, but this one is very visually attractive, featuring a clean and stylish form factor and controllable lighting both under the board and in the LEDs backlighting the buttons and knobs.

Whether you want to buy one now or build one yourself, the Aurora team has made both possible. You can contact them for pricing if you are ready to buy. If you prefer to build, this is an open source project with full assembly instructions, schematics, drivers, patches and all other source code and information you should need available here. See more photos of the Aurora mixer here, or see it in action after the break.

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Beverage Hacks


It’s Memorial Day in the US, so we thought we’d put together a collection of links we’ve covered in the past that might help you celebrate.

The Apu 3000 is one of the finer examples of drug use leading to carpentry. It’s a 4 gallon frozen margarita machine built out of a garbage disposal. A new garbage disposal. We don’t have the time here to speculate on what sort chemical dangers you may expose yourself to by constructing this though.

Continuing the trend of throwing horsepower at problems is the gas powered blender. It’s good for people that love a refreshing beverage while inhaling the fumes of 2-stroke engines.

We’ve covered a couple peltier based cooling projects in the past too. The first was a can cooler for the desktop. The second involved snaking a CAT5 cable across the yard to power a mug.

Back in 2005, Hackaday regular [evan] sent in his BASIC Stamp controlled kegerator. It’s very reliable and way cheaper than a commercial unit.

We’re closing on a sad note: It seems the instructions for making Guinness beersicles have fallen offline, again. From what we remember, you throw the can in the freezer till it reaches a thick slush stage. Then, release the gas so it forms a head in the can. Pierce the bottom of the can and insert the stick. Return the can to the freezer and let it freeze solid.