Hi Chris,
Thank you for posting that. I have thoughts about Arduino and to control the focus motor, when I can handle that I take a look of a dew heater controller too.
I have the USB-Focuser now, it can also be delivered with a dew heater. But not interesting if I built my own focuser controller and then I have much better control over the system.
Maybe you already have a Aurdino focus motor controller ?
/Lars
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