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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: I Lost the J5 POM Nut

I contacted Stepperonline and they do sell the POM nut separately. They asked that you contact them through their sales email and they can set you up.

2 months ago
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RE: How does the teensy drive the motors?

The drivers are capable of 3.3v input. Stepperonline was supposed to update the specs but that hasn't been done yet.

2 months ago
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RE: Help Needed – Teensy Hangs and Fails During Welding on AR4 Robot (Possible EMI Issue)

Hello, I haven't tested myself but I have had people recommend using a USB isolator such as ADuM3160. You might also look at an industrial shielded US...

2 months ago
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RE: Help Needed – Teensy Hangs and Fails During Welding on AR4 Robot (Possible EMI Issue)

I know this has been an issue for others, here is one post I recall I don't know for sure what the solution is, as mentioned in the other post I kno...

2 months ago
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RE: How to identify models and migration paths ?

Hello, The MK1 was the original design with the external enclosure. For the MK2 The J4 gearbox was updated and steps per degree increased to 49.777...

2 months ago
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RE: Disable Encoder

If you have encoders you can enter the encoder CPR value on the kinematics tab, but its not necessary, as you noted the software allows you to ignore ...

2 months ago
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RE: J6 Motor and Housing Fit

I think you are correct, it must not be seated down in far enough. It is a close fit for the motor sweeping past the housing.

2 months ago
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RE: J6 Motor and Housing Fit

Hello, The part in your photo appears to be the 32mm version from the MK1 or MK2. If you look in the MK3 downloads you should find a file "J6 Housing ...

2 months ago
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RE: Strange issues when jogging with the Cartesian functions

Hello, from your video it looks like the jogging issues could possibly be a robot singularity issue. Please see this forum post for more details. Ple...

2 months ago
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RE: Teensy Board 4.1 No Power

The 5v to the teensy board is provided by the computers USB port. The teensy uses the USB power for the 5v and 3.3v terminals. If you have no power it...

2 months ago
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RE: Digital low signal output arduino nano

I believe you are correct and would just need to change the output to digital low.

2 months ago
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RE: Teensy Connection Issues

I would start with checking the 3.3v and 5v terminals on the 3 pos terminal block. If either of those is shorted to ground anywhere in the wiring it c...

2 months ago
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RE: Level Shifting 5V Encoder Signals for Teensy?

The encoder output is listed at 5v but I believe the actual output is between 3.3 and 3.5. The teensy board has never had an issue handling the encode...

2 months ago
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RE: Version 5.1 teensy sketch ModbusMaster.h issue

Yes for some reason the Modbus master library sends a few "defined but not used [-Wunused-function]" warnings. I have not been able to resolve the war...

2 months ago
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RE: Version 5.1 teensy sketch ModbusMaster.h issue

@goto_2004 is correct. If you navigate to Tools / Manage Libraries and install ModbusMaster you will be able to install the sketch. I have also added ...

2 months ago
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