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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Oct 3, 2025
Topics: 6 / Replies: 532
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RE: Software version 6.1 released

@justin-iszatt I will likely do both, having a git-hub repo and direct download links. Thanks for your feedback.

2 weeks ago
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RE: Software version 6.1 released

@justin-iszatt Hello, I'm actually working with a colleague on that very thing - creating a repo and linux compatible code. I'll post a video and ne...

2 weeks ago
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RE: Software version 6.1 released

@justin-iszatt A .pyd file is basically a Windows dynamic library (.dll) that Python can import directly as a module. It’s created when you wri...

2 weeks ago
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RE: Question about J1 tapered roller bearings

@danielgigliotti99-dggmail-com I would use PETG but it should work fine - its not that much pressure to preload.

3 weeks ago
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RE: Question about J1 tapered roller bearings

@danielgigliotti99-dggmail-com no the screws place direct pressure on the bearing center housing and preload the bearings. Im attaching a section vie...

3 weeks ago
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RE: Question about J1 tapered roller bearings

Hello, In the build manual page 67 shows tightening the tension screws that apply bearing preload. Please let me know if you have any questions on t...

3 weeks ago
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RE: Camera Mount on AR4

Hello,If you are referring to using the camera for vision-based part finding or robot picking, then the camera should be mounted in a fixed position a...

1 month ago
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Replies: 6
Views: 270
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RE: Using AR4 with nvidia GR00T-N1-2B

Sorry for the late reply on this, it’s possible to use NVIDIA’s GR00T-N1-2B model with the AR4 robot, but it requires an integration layer between GR0...

2 months ago
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RE: New Software Version 6.0

@steve-marsh How long is it taking your computer? It does take a few seconds to coordinate with the teensy board and load the current positions and co...

2 months ago
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RE: New Software Version 6.0

@gilles-sauvagnat Thank you!

2 months ago
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Replies: 6
Views: 389
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RE: Did I fry my encoders?

Hi there - thanks for the detailed post and for the kind words! It’s great to hear you're diving into the AR4 build and already working through some o...

2 months ago
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RE: Vertical Movement Stability with Laser Crosshair on End Effector

Sorry for the late reply on this. Could you try running the latest software version 6.0 and then report back? I found some issues with the incremental...

2 months ago
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RE: Using a PC to control the AR4 robot in a project

The AR4 robot does require a continuous connection to the PC running the AR4 software while executing motion programs—similar to how MACH3 operates. T...

2 months ago
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