On 29 October 2010 17:58, Stuart Stevenson <[email protected]> wrote:

>  Is there a chip or reasonable board I can use to change the sine waves to
> pulse or quadrature?

I suspect that the Pico Resolver converter might work, which I think
is based on something like this
http://docs-europe.origin.electrocomponents.com/webdocs/0e38/0900766b80e382db.pdf

I think Mesa have a resolver converter too (or one on the cards).

You can probably do 3 axes with a single Arduino, too, have a look at:
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?ResolverToQuadratureConverter


-- 
atp

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