[sdiy] ball-bearing sequencer (Re: Substitute for pin matrixes?)

[John Mahoney]

At 08:44 AM 1/25/2010, Sam Ecoff wrote:

>On Jan 24, 2010, at 8:50 PM, John Mahoney wrote:
>
>>I've had ball bearings in mind since someone used them in a
>>sequencer (?) -- a lovely project of which I can remember little else.
>
>Maybe this?
>http://www.youtube.com/watch?v=uKtisFD3PHE&feature=related
>
>or this?
>http://www.youtube.com/watch?v=wreP8FMupyM&NR=1
>
>Sam E.

Yes! The latter was the one I'd seen. Thanks for the pointers, Sam.

John