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Originally Posted by jgannon
Wait, are you sure about that? As I understand the OI and the analog inputs on the RC, they measure the voltage on signal pins with respect to +5 and ground. The wiper on the pot still goes from one side of the resistive material to the other, and thus runs from 0 to +5 in 270º of rotation, regardless of the actual resistance. The only difference that I can think of is that the 5k pots would draw 20x the current of the 100k pots, and that's why IFI suggests 100k.
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Alan and Biff are incorrect.
There is another reason why 5k pots won't work, though. There is circuitry in the OI to detect when the joysticks are unplugged. This circuitry depends on 100k pots. It is necessary so that when you unplug the joysticks, the robot doesn't fly backwards.