(all this and more is available at http://mentalblock.net)
(Eric Mika has a ton of great documentation for this project on his blog, Frontier Nerds)
Eric came up with a great idea for how to make a variable detent potentiometer using a regular pot and a vibrating motor. When the pot is adjusted to a specific interval, the motor vibrates for a moment letting you know you’ve reached the first, second, third, etc, interval.
Here’s Sofy’s Pure Data patch that mirrors binaural beats– it was really too bad we couldn’t get the radios to work.
Here’s what we came up with, in action:
A fun video of that stuff getting cut out on the laser: