Robotis mini initial pose and motion offset error

[robohub2]

Issue:

When i run Robotis mini, the initial pose is wrong and i try to use motion offset in robotis mini app to fix but the line “unable to execute command due to communication or motor error” alway pop up
I checked the actuater test and all motor still work
Is there a problem in hardware and how can i fix it?
Thank you

[roboteer]

Most likely, you did not have the servo’s horn lined up properly with Position 512 (notch on the horn matching with notch on servo body) before you assemble various frame parts to corresponding servos per the instructions given.

Please see this post, because I think that you may have the same issue as these folks using the Bioloid GP.

Question about BT-410 controller

I think that I have seen this kind of weird behaviors before as I did them in the past myself, when I was not careful about not setting ALL my servos to the 512 position (basically align the notches on the horn and servo body) before assembling them into the various frames. [image] But now that you have already assembled the arm, one “least-painful” procedure is as follows: Unscrew completely the 4 screws that fasten the horn to the frame parts so that the horn is completely “decoupled” fro…