Derek Weston wrote:
Details of an autopilot controller I've built for our yacht:
http://www.alphalink.com.au/%7Ederek.../autopilot.htm

It's a bit "techie" for most people, but some may be useful to some.

Not being a techie (but having a good friend who could
probably build this in his sleep) - about how much would the
parts cost to build this?

Evan Gatehouse