Quote:
Originally Posted by Terry_VK5TM
Off the wall thought, why not arrange for the Arduino to control a stepper motor as well as the DDS to adjust the dial according to frequency and use what would have been the tuning shaft to control the encoder?
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Noooo! The Eddystone 898 is a thing of wondrous beauty with the most silky flywheel tuning. You have to put your hands on it, not let some robot get all the pleasure.
Use an optical encoder driven from the flywheel to pass tuning data.