Yup, though yours is about 10 times more advanced than mine.
Mine is just a battery, a switch and the fan.
Here's some pics:
http://home.planet.nl/~viss2888/gogfan1.jpg http://home.planet.nl/~viss2888/gogfan2.jpg http://home.planet.nl/~viss2888/gogfan3.jpg http://home.planet.nl/~viss2888/gogfan4.jpg
Note, some metal bits are a little rusty from last week's play in heavy rain It's working fine though.