Is the Nintendo Wii controller and sensor compatible with the Nintendo Wii U?
Yes, they are. Wii remotes, classic controllers, sensor bars and games all work with the Nintendo Wii U. The sensor bar that comes with the Nintendo Wii U is the same as the original Wii sensor bar
The Classic Controller and the Pro Controller are two different controllers. The Wii Classic Controller plugs into the Wii Remote while the Wii U Pro Controller is a wireless controller by itself. Both controllers are compatible for the Nintendo Wii U system, however, this depends on what game you are playing. Not all games are compatible with the Classic Controller, and there tends to be more Wii U games compatible with the Pro Controller.
The Wii Remote Controller (aka Wiimote) is the main controller of the Wii system. This controller, however, has many accesories like the Nunchuk (which is most commonly used), the Wii Zapper and the Wii-Wheel that make the Wiimote feel like an entirelly different controller. The Wii also has the Classic Controller, which is used in some Wii titles and Virtual Console titles. And the Wii is also compatible with the Nintendo Game Cube Controller.
You can only use the Wii remotes with the Wii, but most games allow you to just use the buttons on the controller instead of the motion-sensor. Yes, Nintendo has a "Wii Classic Controller" available for Nintendo Wii which closely resembles the controller of a Super Nintendo. Also, some games (like the New Super Mario Brothers) let you turn the standard Wii remote sideways and use it like a normal Nintendo controller.
Yes, the Wii U is fully backward compatible with Wii games, Wii downloads, purchased WiiWare and Virtual Console games and has the Wii Menu built into it. However, Wii games cannot be controlled with the Wii U GamePad and will not be displayed in HD on the Wii U console. Also, GameCube Contollers will not work on the Wii U even if the Wii game allows the use of GameCube Contollers. There are GameCube Controller…