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David T. Phan
@david-t-phan
Eminent Member
Joined: Jul 8, 2025
Last seen: Sep 9, 2025
Topics: 4 / Replies: 8
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RE: Grounding Shielded cables for Motor Encoder to maintain accuracy?

@nhan-truong hard to troubleshoot noise related issue over email. Suggest to put a probe on the encoder line(s) to check for noise source which can co...

1 month ago
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RE: Grounding Shielded cables for Motor Encoder to maintain accuracy?

The encoder in AR4 has differential outputs or complementary signals for noise immunity. When noise is present on a differential pair, the differentia...

1 month ago
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Replies: 1
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RE: Enclosure Options

sorry guys the lowest cost is no enclosure for me😂

1 month ago
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RE: Rz Ry Rx calculation in AR4 software

ZYZ is used in AR4 software to calculate Rz,Ry and Rx. It DOES NOT appear to be ZYX but I could be wrong. Calculation for ZYZ Euler angles can vary de...

1 month ago
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Replies: 1
Views: 30
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1 month ago
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RE: Auto Calibrate doesn't work properly

do you still get 3.3V on your teensy board? if not then your board is damaged

1 month ago
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RE: J2 Arm Cover Space Lower Issue

@johann-voigtlander Thank you for your help as i am new to the 3D printing. It worked!

1 month ago
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RE: J2 Arm Cover Space Lower Issue

Okay does that mean flipping the part is same thing as printing the J2 Arm Space Upper TWICE?

1 month ago
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Replies: 4
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