I thought I'd seen it all until I saw this:
http://www.sciencedaily.com/videos/2009/0101-thirsty_plants_text_for_help.htm
Currently it seems designed for the indoor enthusiast who grows single plants. No plug in any way, when they make one that's waterproof, splits to 10 sensors, and runs wireless from about 600 ft I might have to get on board.
http://www.sciencedaily.com/videos/2009/0101-thirsty_plants_text_for_help.htm
Currently it seems designed for the indoor enthusiast who grows single plants. No plug in any way, when they make one that's waterproof, splits to 10 sensors, and runs wireless from about 600 ft I might have to get on board.