Share this post Link to post Share on other sites. I need to try it when I am imaging planets or the Moon as that is where I thought manual control would be most beneficial. In my case I was most intrigued by this website:. The rotary encoder support was so I could manually focus the telescope. Ok so far so good – next I tried driving the focuser when attached to a SW ST80 using a direct shaft coupler – knock me down with a feather it works.

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Here is diiy list of the hardware I used: Still need to test long distant USB support for the focuser but I can see no reason why that should be a problem as my Canon d works with BYEOS at 20m with Active cable and powered hub – famous last words!!!

Important Information We have placed cookies on your device to acom make this website better. When I went to look at it again some of the annotations pin numbers, signal names etc had disappeared.

Hopefully I will get it done at the weekend. This is what needs to go in the box and I also need a switch on the 2 bare wires at some stage. I haven’t tried building it with any of focs free ‘express’ versions of VS.

I had asvom drawn for the Mk1 focuser using gEda on Linux. The dovetail bar on the ota projects back a little from the mount when it is clamped up and I made it longer still by removing it and replacing it reversed back to front.


This meant you just had to program your Arduino board with his code and the official Moonlite ASCOM driver would attach to your Arduino and “just work”. Posted June 18, I ran the four wires from these two motor ports to the pins of a female DB9 connector. Ok so far so good – next I tried driving the focuser when attached to a SW ST80 using a direct shaft coupler – knock me down with a feather it works.

I used the TB shield and one of these http: Posted March 6, Parts list has been added to the wiki on the sourceforge page. Nearly straight but will need some minor shimming to make it perfect.

DIY ASCOM focuser – IceInSpace

Or sign in with one of these services. Or sign in with one of these services Sign in with Facebook. Yes agree RB is very helpful. The best place to start is the Ascom website. You need to be a member in order to leave a comment. I have a working device based on an Arduino Nano and associated sketch.

Arduino Ascom focuser Mark2 – DIY Astronomer – Stargazers Lounge

As well as an Ascom driver there is a stand alone Windows program to control the focuser should some software not have inbuilt Ascom support. A shot of the rear of the cork block after some trimming. Also need to test the sscom on Windows 7,10 as its running on Vista at the moment but it should be ok – 10 we shall see.


You can adjust your cookie settingsotherwise we’ll assume you’re okay to continue. This was built using Visual Studio and you will need the Ascom platform 6.

Join the East Midlands Stargazers astronomy community today! Arduino-based Motor Focuser Controller. Something like this hardware wise http: At the time It was a purely manual device with a 5-way switch to set the direction and speed with a rotary encoder to do fine adjustments.


I have also decided to move the focuw to a smaller box to make it easier to fix to the scope. It could all be smaller if I could: I needed a way to fix the device that was secure and simple.

Yes but I need to decide the best way.