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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Oct 4, 2025
Topics: 6 / Replies: 532
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RE: I combined the J3 spindle with the J2 arm.

Hello, Im sorry I missed this question and did not reply sooner. I am a little confused by the question, can you elaborate further or add some picture...

2 months ago
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RE: Windows 10 Support?

The AR2 program was written using python 2.7 on windows 7 x64 and py2exe was used to make the executable. Unfortunately I dont have a Windows 10 machi...

2 months ago
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RE: Securing J5 motor mount

I apologize for this, this was a mistake on my part and you are correct it should be a slightly longer screw. I have updated the manual to be 18mm scr...

2 months ago
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RE: Motor shaft keys

I have been using a small pair of vise grips, they need to have a clean (not rounded or dinged) front edge. I then gripped the key with the nose of th...

2 months ago
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RE: if on jump... dont work

Thank you for the input, Ill look into why it wasn't working with ser.readline. Chris

2 months ago
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RE: ___j3

the motor should be fairly warm but not too hot to touch. is it making a groaning noise and not moving very far? if the drive doesn't sound consistent...

2 months ago
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RE: ___j3

what are your dip switch settings for microstepping? is the arm consistently moving a short amount? curious if one of the calibrations settings got go...

2 months ago
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RE: Acceleration of AR2

I currently do not have absolute velocity calculated, the robot speeds and accelerations are based on percentage of max capable. This is something tha...

2 months ago
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RE: J1 & J5 No Action and Other Issues

Im copying into this thread the response I sent to your email so others may follow if they have similar issues. 1. Nothing is moving when i hi...

2 months ago
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RE: J2 and J5 motor issues

when I have experienced similar issues I found bad terminal connection on the driver dir wire. let me know if you are able to sort out the issue.

2 months ago
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RE: This is an amazing project.looking forward to buy the AR3

Thank you. Im glad you like the project. Im still quite a way off on a larger size robot and will keep everyone posted on progress. Right now Im worki...

2 months ago
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RE: Doubt about drivers

Yes I believe you could. when I initially started designing this robot I had started with some larger motors and the DM series drivers were just comin...

2 months ago
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RE: Material

Hello, yes it is 6061 aluminum alloy.

2 months ago
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RE: I Cant get the robot to do anything, keep getting error message 'ser' not defined. yes I am very new to this

Hello, this message means you do not have a serial connection to your arduino. Open the Arduino IDE program and check under tools/port and see what po...

2 months ago
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RE: Custom Robotic Welding Arm

I am not sure what electrical interference issues you may have, but I would be concerned with that as well. I know that the solenoid valve for the pne...

2 months ago
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