The AC Control unit for the 24XC unit is a continuous operation motor available in 115vAC. A feedback potentiometer option is available for these units. The DC pulse input assembly for the 24 XS unit ...
A servo uses a potentiometer attached to the output shaft in order to sense position, and the internal electronics take care of driving the motor to move the shaft to the desired angle.
They’re slider potentiometers with a trick up their sleeve: there’s a motor inside that can set the slider to any position. The mechanical keyboard community has been pushing the boundaries ...