hoser
Forum Supporter
I came across this page today, and for those of you that are handy with electronics and hand tools, this might be right for you. This site has some really good info if your looking to build a machine.
http://www.thunting.com/cgi-bin/geotech/pages/common/index.pl?page=metdet&file=projects.dat
http://www.thunting.com/cgi-bin/geotech/pages/common/index.pl?page=metdet&file=projects.dat