Automatic fish feeder

This is an automatic fish feeder that is able to feed fish automatically. it uses a HiTEC HS-422 servo (or any servo with the dimentions of 1.6" X 1.4" X .8") that spins 180 degrees to deliver the fish food then 180 degrees back to refill.
the fish food for this feeder is the flake or small pellets. The food is kept in a hopper that can hold a significant amount of food.

Needed to complete:
1. servo with a square.4" by.4" attachment (comes with HiTEC HS-422)
2. arduino or some other type of controller to tell the servo when to move and feed the fish
3. 3 mm bolts and nuts that hold the holding fins to the body of the fish feeder
4. fish food (small pellets or flakes work best)
4. fish to feed and a tank (mine is on a 10 gallon tank)