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J2 Gearbox Update



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12 Comments


cristian.mori
May 22, 2023

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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cristian.mori
Apr 02, 2023
Replying to

Thank you! I would have totally missed that

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cristian.mori
Apr 01, 2023

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?


Thanks!


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cristian.mori
Apr 03, 2023
Replying to

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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