Hello guys.

I know this was discussed probably few times, but I still can't figure it out. Cuz I am not a very tech guy. I need stepper motor slider or even stepper 3axis slider with a head, that I can purchase and connect right away to Dragonframe, without Arduino programing, modifications etc. Like Ditogear has. But not Ditogear)))) What option do you know or even tried? UNPACK, connect CABLES, run DRAGONFRAME and it works))) I found this one DIGISLIDER https://www.digislider.co.uk/collections/digislider-bundles/product...  It says its compatible with Dragonframe.  

EMOTIMO I don't know why, but I can't load to the online store and I am not sure, do they have a 2meter stepper motor slider? What you can advice?

Thank you guys

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I can't help you with recommendations on rigs, but as someone who is also not very techie I can tell you a bit about working out how it goes together. I have made my own moco rig and am just making a slider with pan/tilt/focus axes.

The way the kit goes together is like this: In your Dragonframe folder you will see Resources, and in there is a folder called Arc Motion Control. Inside that is one called DFMoco.pde. This is the Arduino sketch you use for linking DF with the slider. There is also a Readme file with instructions. You have to download the Arduino software (NB I think it's a legacy version 23), then you can upload the sketch (which is just a mini program). You don't need to know anything about programming Arduinos to make it work - I don't! But you should read the bits on the sketch where they ask you to choose your preferences, e.g. for which Arduino model you are using.

You can use an Arduino Uno for 4 axes or a Mega for up to 8 axes. This is just plugged into the USB port on the computer. It has a tiny memory, so when you upload and verify the sketch, it remembers it so you don't have to do it again. You can just open DF up and the thing works as per the last time.

The Arduino is connected to some drivers, little circuit boards that translate the pulses into power for the stepper motors, one for each stepper. They need a power supply unit with something like 24V/15A. 

Finally the business end - the stepper motors. I am using NEMA 17 size steppers, some geared and some ungeared. The geared ones have the disadvantage of a little backlash in the gearbox, but I have not found this to present problems in practice, although I have not tried to reproduce exact movements.

The rest is assembly and engineering! Have you seen this video:

https://www.youtube.com/watch?v=smczeKoTNn4&t=2s

It does exactly what you are asking about, and there are links to the materials. The only thing it does not have is the pan/tilt control, which would need to be made separately.

I think Emotimo have discontinued their TB3, which was a nice compact head, albeit with limited movement. Hendrikus de Vaan converted one of these to make his own slider a while ago. I am basing my own one on this type of head, as the worm gear is very effective and minimises backlash.

Dunno if this helps - it doesn't get you nearer to finding something off the shelf, but hopefully does explain how it all goes together. 

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