Hello list, I have found this interesting project http://zedomax.com/blog/2008/06/16/solar-tree-collects-energy-during-the-da= y-and-poops-it-back-at-night/ Does any one have the circuit ? Thanks --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .