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Chris Annin
Chris Annin
@chris-annin
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Joined: Jul 8, 2025
Last seen: Sep 15, 2025
Topics: 6 / Replies: 529
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RE: Capacitive Proximity Sensor

This is awesome, thanks for sharing.

2 months ago
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RE: Reason for J5 motor to have a lead screw

The primary reason is weight, If a gear drive motor were mounted out on the forearm of the robot this would decrease the J3 payload. In its current co...

2 months ago
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RE: Add 8th+ axis? And dual machine mode?

To add an 8th or 9th axis that is stepper driver controlled the same as the robot axis and the 7th axis would be a fair amount of work as the addition...

2 months ago
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RE: J3 ARC CONTROL SOFTWARE ISSUES

Yes that shouldn't be a problem to run 24 hours.

2 months ago
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RE: J3 ARC CONTROL SOFTWARE ISSUES

Starting with the first problem: J3 only moving one direction, when you use the jog joint buttons - when you press the jog - or jog +, which direction...

2 months ago
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RE: Modify Teensy To Avoid Movement Break Limit Switch

Hello, could you elaborate on the issue moving past and breaking the limit switch? I haven't had any reported issues with that so if there is somethin...

2 months ago
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RE: about auto calibrate

one of your limit switches is not sending back the + signal when it is in that position, please check each input at the teensy board and see if one of...

2 months ago
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RE: about auto calibrate

The calibration is programmed to drive to all the switches at a faster speed and then retract off the switches a little and then slowly drive back to ...

2 months ago
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RE: Amazon SV-166-1C25 limit switches are of poor quality.

Thank you for the feedback. I havnt seen the issue with the tension ring but I will look at that. Let me know what you think of the Omron swtiches, im...

2 months ago
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RE: J4 Timing Hub

Your aluminum kit should have an aluminum version of this part. When I made the manual I didn’t have an aluminum version yet and was 3D printing the h...

2 months ago
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RE: Gripper

I used a low cost compressor from Harbor Freight although its a bit loud. the parallel gripper is better imo as the stroke of the jaws come together e...

2 months ago
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RE: Photo does not appear to match instructions?

Hello, you are absolutely right. The error is in the photo. I recently was trying to fix an error on page 12 and mistakenly propagated the error to pa...

2 months ago
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RE: AR2 dimensions

I just created a new document that shows the payload and reach. added it do the downloads page. Let me know if this works or if more info is needed. t...

2 months ago
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RE: Is level shifter needed for using Teensy on 5v driver

The Stepperonline drivers operate with no issues at 3.3v. They were supposed to be updating the driver manuals but it hasn't been done yet.

2 months ago
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RE: Use enable circuit to train AR3?

Hello, the enable circuit is used to enable and disable the drives, this would typically be used as an auto stop or an emergency stop. In the schemati...

2 months ago
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