Interactive Beer Pong Table

December 15, 2009 by Caleb Kraft 20 Comments

Do you find that beer pong is too dull on its own to keep your attention? Do you require flashing lights to accentuate your imbibing? Here’s the perfect solution. Make an interactive beer pong table. It didn’t take much to sell us on the idea. We think everything needs a few more lights.

The idea is that as the game progresses, you get different feedback from the lights visible in the picture above. [rohitk] is using an Arduino and some pressure sensors to tell when each cup is removed. Based on this the LEDs change color.

Arduino Development On OpenSolaris

December 13, 2009 by Mike Szczys 22 Comments

Part of the draw of Arduino development is that it is open-source and cross-platform. It is hard to believe that it took this long but OpenSolaris can be added to the list of operating systems that love to work with Arduino. Although not officially supported, the device drivers for were added in build 113 of the OS and a patched version of the toolchain is available for download.

[Thanks Alexander]

Word Clock Redux

December 11, 2009 by Jakob Griffith 21 Comments

[drj113] wrote back to let us know his latest version of the infamous Word Clock, now in Arduino flavor. You may remember when we originally showed you the Word Clock back in September, while much hasn’t changed, he’s added and modified a few things to make it more user-friendly. Most notably is the use of Arduino instead of PIC, while some commentators will complain this as a waste of an Arduino, it is extending the project towards those who are less technically inclined. Other changes include a new case, dedicated time changing buttons, and blue LEDs (and who doesn’t love blue).

We would also like to give [Alex], one of our commentators, a shout out with is QlockTwo. Same Word Clock concept, but used acrylic, paper sheet, and stickers to produce a much smoother look.

Update: It would appear we’ve made a slight mistake, the original creator of the QlockTwo is actually [Ruud Burger], not [Alex]. Thanks [Ruud] for clearing that up.

AC Shield Will Take Your Breath (heart Beat) Away.

December 10, 2009 by Mike Szczys 69 Comments

[Ryanjmclaughlin] came up with the idea of a Arduino shield that uses TRIACs to switch four channels of AC power. The forum thread he started delves into several interesting discussions covering what it would take to convert this for use with 240v power and of course, a debate about safety.

A reader named [Victor] sent this tip to us and mentioned that this shield might significantly reduce the number of Arduino related projects we see. That’s because mixing high voltage alternating current with delicate 5v logic circuitry can be a bad idea. We’re not saying the creator of this didn’t know what he’s doing, but if you don’t you could fry up your Arduino, or your body.

Overly Complicated Gas Guage

December 8, 2009 by Caleb Kraft 39 Comments

While this is most likely overkill for a gas gauge, we do thank [VadimS] for sharing the information. He shows us how to build a capacitive liquid sensor using an Arduino, some foil and some wire. He’s basically detecting the difference in capacitance between the foil sheets. As he gets more water in the bottle, the capacitance goes up. At least we think thats what is going on. He has included the source code for the Arduino, both for handling the sensor and running the LCD display shown in the picture above. When completed, this will be used in his dune buggy for a gas gauge.

Nunk On Droise

December 6, 2009 by Caleb Kraft 23 Comments

Nunk on Droise is an art installation where noise is made depending on how drunk you are. In a configuration that could be called a cthoilet, the sensors shown above are alcohol sensors. Though we initially thought this would be testing urine, the description states that it tests the breath of the participant. Unfortunately there aren’t any schematics or code, though you can see how it is all assembled from the flickr pool. You can also see a video demonstration of the prototype.