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J2 Gearbox Update

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Software Version 4.3.1

There were some bugs on the vision tab with the snap and find drop down selection. I have replaced 4.3 with 4.3.1 on the downloads page. Please let me know right away if you find anything I missed.

Controller sketch file version 4.2

I discovered a bug in the previous sketch 4.1 that can potentially cause position errors with J1 & J2 during certain movements. Please update to 4.2 on the downloads page. Thank you.

Issue with MK2 base enclosure print file.

Hello, I'm sending out this message to let everyone know about an issue that was brought to my attention. There is a height issue with the J1 base enclosure for the AR4-MK2. I have modified the base

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Hi Chris. I finally got to install the new motor and reconnecting everything. I have a question on the encoder. For J2 with the previous encoder the AR3 the encoder A was on pin 16 and B was on pin 17. Now with the new gearbox, wired according the instruction, B is on 16 and A is on 17. Am I reading this correctly? Thanks in advance!

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Don't forget to print the new spacer for the gearbox since it is a different one.

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Thank you! I would have totally missed that

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I just received the gearbox AND the motor.

The new motor has the integrated encoder. My AR3 based one had the external encoder.

Are they interchangable? Same PPR?


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Thank you Chris!

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This is a great update, J2 had the most noticeable backlash. However when I try to order the updated joint motor/gear box - I cannot find the link on steppers online website, - it is missing. I hope they fix it.

Great work once more!

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