This 2.4ghz wireless Play Station 2 style controller works perfectly with BotBoarduino equipped robots. They have a range of 10 meters, more when used outdoors. Two analog joysticks and 16 buttons available for robot control.
We have several Tutorials for connecting a PS2 game controller to our microcontroller. There is a BotBoarduino program that handles all of the functions of the controller.
Additional information can be found at these URLs.
The Robot Controller is actually a 2.4ghz wireless Play Station 2 game controller. It includes a small receiver module with PS2 connector and two cables. No level shifter is required for this version of the remote control. The Robot Controller requires 4 "AAA" batteries (not included) for use.
Connection between the BotBoarduino and PS2 level shifter: