A minor problem with using a potentiometer is the software is not aware of the physical position of the wheel and there is no synchronization between the potentiometer and the sim’s concept of where the trim wheel is. If the autopilot kicks in it’s going to move the trim tab and you may not have enough travel left in the potentiometer to get reasonable control back. It will be interesting to see what happens with a fight between a pot and the autopilot - when the pot is moved off center and the autopilot tries to move the trim tab. The encoder / Arduino just sends pulses one way or the other and never runs out of control. If the pot on the Logitech Extreme 3D is too sensitive consider yourself lucky. Using ether the numeric keypad 7 and 1 or joystick buttons is way way under sensitive. Like my post above states, there are an additional 2 issues to solve - one is the way under sensitivity of elevator trim tab control and the second problem is the excessive latency that occurs when changing the elevator tab.