I was thinking about designing a Wireless Joypad to control my Robot, and finally came up with an idea to make it out of a cheap Gigaware PS2 Joypad found at Radioshack, which was only $9.99. It has: 2 Joysticks 1 8-way D-Pad (Direction Pad) 8 Action Buttons, and 4 Extra Buttons (Select, Start, Macro, [...]