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, Mode)
So, I [...]