wei chen replied to the topic 'Astroberry Focuser with Adafruit Motor HAT' in the forum. 2 years ago

That's good to hear. I am glad that you are still monitoring the thread.
I need to look at the code more closely to figure out what exactly i need to provide for the focuser to work.

At the Ekos UI side, it looks i only need to set the ticks properties for the Max Travel

Settings
Max Travel: Maximum travel in ticks before the autofocus process aborts.
Step: Initial step size in ticks to cause a noticeable change in HFR value.
Tolerance: The tolerance percentage values decides when the autofocus process stops in the Iterative algorithm.

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wei chen replied to the topic 'Astroberry Focuser with Adafruit Motor HAT' in the forum. 2 years ago

Hi, i am trying to reproduce this project on my Celestron 8 SE. But i found that Celestron 8 SE, there is no obvious way to measure the focuser tube traveling distance for one knob revolution.
Do you guys know how to work around this problem? is this parameter a must for the program to work?
Thanks.

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