[sdiy] Telharmonium motors, perhaps?

[Roy J. Tellason]

On Tuesday 23 November 2004 09:55 pm, Tom Arnold wrote:

> > 1. Print tone wheel with laser or ink jet printer onto a CD label.
> > 2. Paste label onto a garbage or blank CD.
> > 3. Hack a cheap CD player to act as the mechantronics.
> > 4. (Per this post) Use photo transistor array for pickup of transitions
> > or waveforms.
>
> To make this even easier and not worry about label alignment, print onto
> printable CDs with a printer such as the Epson 300G.
>
> A couple bearing, a plastic rod that just fits the CD hole, some spacers,
> stack the whole assembly onto the rod to make a giant pasta cutter and then
> use an LED/Photocell on a stick to reach each disc.  Could even print
> multiple patterns per disk selected by moving the head assembly in or out.
>
> It'd be like an optigan with a kill radius.

I was waiting for somebody to mention the optigan...	:-)