Have you looked around for some of the D-I-Y Alternative Energy sites ? I saw a few at one time for self-made installations for wind, solar and water generation, perhaps you'll get some tips. The people in the ones I saw were quite keen to spread the word and show how they did things. Might not go into nitty- gritty details, but there are several regular publications that could be worth looking up -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads