The Ondestrak

If you like the sound of the theramin, you may enjoy the Ondestrak.  Based loosely off of the Ondes Martnot, the Ondestrak works by changing the pitch of a continuous note. [Devin_mccutchen] built his using an old gametrak controller. The controller looks pretty cool. We hadn’t seen that one before. Check out a more musical performance after the break.

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Giant vacuum tube


When we saw this giant home vacuum tube, we thought it would go perfectly along side the giant LED lamp . Constructed from spare computer parts, a glass display dome and some EL wire, it is fairly convincing looking. If only he had shaped some characters with the EL wire, we could do a giant nixie tube project.



[Matt] sent us this very cool looking project called Illuminato. After brainstorming on how to improve upon the Arduino, and receiving lots of input on his ideas, [Matt] has put together this board that has several nice improvements. It has more I/O, more code space, faster serial communication speeds, built in PWM, and works with existing Arduino shields. Not only does it make these improvements, but it does it with style. The finish is quite nice, the layout is pleasing and it even has two rows of SMD LEDs on the back for some added geek cred. You can see a couple videos of it in action after the break.

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