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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Oct 6, 2025
Topics: 6 / Replies: 532
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RE: Motor 2 Malfunction

@kara-kara Was this motor from Stepperonline? It appears one of the planetary gears is out of position.

3 months ago
Forum
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RE: Motor 2 Malfunction

Can you check the coupler between the motor and the gearbox? There is a small black plastic cap on the side of the gearbox. If you remove the cap you ...

3 months ago
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RE: Spooky Halloween AR4

@dale-thomas These are great, thanks for sharing!

3 months ago
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RE: Finished progect AR4 in Italy

Nice work, that looks great!

3 months ago
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RE: I am from Bangkok Thailand Can i buy your kits?

Yes, I ship world wide USPS. No problem.

3 months ago
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RE: Kinematics Excel Corrupted

Thank you for replying back. Im glad its figured out.

3 months ago
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RE: Kinematics Excel Corrupted

I’ll look at that tonight. Thank you for the heads up.

3 months ago
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RE: BerryBot3D Gripper Design

Thanks for sharing this.

3 months ago
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RE: Comparing AR2 vs Niryo

I think they are both great projects. I think the advantages of the AR2 is rigidity in the use of stepper drive gear boxes. The Niryo seems flimsy wit...

3 months ago
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RE: Robot arm teach pendant ?

Hello, I have integrated the use of an Xbox controller, and I may write a mobile device app at some point. But I don’t think I will build a custom tea...

3 months ago
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RE: AR2 with support for encoders

I’m not sure yet, leaning toward stepper motors given cost of the motors and drivers. Affordability for everyone is the main goal.

3 months ago
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RE: AR2 with support for encoders

It will be some time before I’m done with it but I am looking at designing a robot that’s a little bit larger that will use encoder feedback instead o...

3 months ago
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RE: AR2 with support for encoders

Hello, The AR2 is designed for the stepper motors as you reference. I'm not sure what DC motors might be available that will have the same motor mount...

3 months ago
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RE: issue J4 TIMING HUB

I just received the next batch of parts. The belts fit well on this batch so I am unable to replicate the issue but I suspect variance in cutting equi...

3 months ago
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