Need Help in Kinamatics of Small DIY 6dof robotic arm.

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27 Oct 2025 12:25 #337277 by amanker
I have configured and installed LinuxCNC on RPI5 and I can control individual joint of robotic arm using trivkins. Using PCA9685 as PWM servo controller. Its work good. But I am strugling to get its kinamatic working. Here is photo of my arm with measurements. 
Here is photo of My robotic arm
 

Here are the pin values I used in genserkins
setp genserkins.A-0 0
 setp genserkins.ALPHA-0 0
 setp genserkins.D-0 83.5
 setp genserkins.A-1 45
 setp genserkins.ALPHA-1 -1.570796327
 setp genserkins.D-1 0
 setp genserkins.A-2 100.4
 setp genserkins.ALPHA-2 0
 setp genserkins.D-2 0
 setp genserkins.A-3 12
 setp genserkins.ALPHA-3 -1.570796327
 setp genserkins.D-3 195
 setp genserkins.A-4 0
 setp genserkins.ALPHA-4 1.570796327
 setp genserkins.D-4 0
 setp genserkins.A-5 0
 setp genserkins.ALPHA-5 -1.570796327
 setp genserkins.D-5 58
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