Also, there is an open-source controller for what you are seeking, made by DIY'ers. It's called the Open ReVolt controller. The easiest way to make one would probably be to start with a kit unless you've done something similar.
http://www.paulandsabrinasevstuff.com/store/page3.html
Note that I haven't and do not plan on doing this myself, but it's my understanding this is fairly cheap, i.e. < $300. Your mileage may vary.
http://www.paulandsabrinasevstuff.com/store/page3.html
Note that I haven't and do not plan on doing this myself, but it's my understanding this is fairly cheap, i.e. < $300. Your mileage may vary.
