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Build AR4 style with AR3 parts ?

 
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Last Post by Chris Annin 3 months ago
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Avatar of abell
 abell
(@abell)
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Joined: 4 months ago
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Topic starter 09/08/2025 6:00 pm  

Hi,

I bought a long time ago an AR3 kit (parts and hardware) with the associated stepper kit. I have not already buy electronics parts.

Now I have the time to build the robot but I have a question : how to build directly a AR4 compatible robot with the old stepper motors kit ?

In other words, wich encoders should I buy for directly connect them to teensy 4.1 ?

Thanks for your responses.

Antoine



   
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Chris Annin
 Chris Annin
(@chris-annin)
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Joined: 4 months ago
Posts: 538
09/08/2025 6:00 pm  

You can use the AR3 motors and encoders. Under the AR3 downloads there is a document on doing this

DRIVE.GOOGLE.COM "https://drive.google.com/file/d/1KONNuxRzQHCDlyg-BOjEqPVgVT9Q4HzW/view"
Upgrade AR3 to AR4.pdf - Google Drive

follow the wiring from this document and then if you want to use the latest MK2 sketch and software there is a button on the kinematics tab to load AR3 defaults.



   
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