I have this controller but am unable to use the the arrow buttons on the left (i think it's called the directional pad) or the analog buttons to control a servo
also wanted to ask on how to control multiple servos with one button
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Also this might be of interest: http://www.ez-robot.com/Tutorials/Help.aspx?id=158
I would need more info to help you though
I use the same game controller and found that I needed to use logitech's drivers instead of windows. I haven't tried it yet, but would like to use the right controller for the camera servo and the left controller for movement. I just got the Bot's drive system working (Thanks to DJ!), so I'll try it this weekend.
ARC and EZ-SDK support DirectX compatible joystick drivers - that's what it means.