On Fri, 26 Sep 2008 06:31:28 +1000 Franc Zabkar
wrote in Message id:
:

Here is a Bourns 32PPR optical encoder (US$18, MOQ=1):
http://www.mouser.com/Search/Product...vD1LXCKg%3d%3d

Thanks for all your help Franc. I think I'll give that one a try.