Hi,
I'm developing a new focuser to my refractor. It use push pull screws to move the focuser drawer tube. I 3D-print the different items I need.

You can read about it here, from page 12 to 14:

www.astrofriend.eu/astronomy/projects/pr...-focus-friction.html

I'm now ready to start with the controller board for the stepper motor but I don't know where to start.

I use Astroberry and the controller must use some INDI driver.

It must be flexible, I have read about Arduino that many people use. Some standard board that contain the drivers for stepper motor. Something that I use in my 3D-printer.

It must be an open source.

I only controll it from Astroberry, but there can be a focus out and a focus in button for test purposes.

Maybe ready for a micro switch that sense when it is at zero focus position.

Now my question, where do I found the best open source controller project. Instructions what hardware to use, how to install software etc ? I have never worked with an Arduino so it must have the details how to do it.

/Lars

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