@chris-annin Thanks for the reply! This helps a lot with my understanding and makes a lot of sense why it was developed this way. I happen to h...

Was able to fix the hole with some sealing heat shrink, and now I've got a pressure holding system. Time for some programming!

I was able to get it to work with some messing around - turns out I didn't push the tubes past the o-rings. My first time working with pneumatics, so ...

Update 3 :) Using AR4 software for calibration and movement right now, will be using Python ROS /span> and klampt /span> for control in the next...

Figured out the problem. Thought the NEMA 17 motors were the same - found out I swapped the HG10 and HG50. Will swap and rewire, then update later tod...

update 2 - turns out I didn't switch from 24V on the stepper drives. All axes are working now! Though I noticed that J3 seems to be too weak - and ski...

update - so I updated the wiring to include ENA+ and ENA-, and performing the calibration test works only on J4. I am able to jog J4 normally as well....

Just realized now, ENA+ and ENA- are not wired, since I was still following the AR3 manual. Will jumper those in and see if it works!

Hi @Chris Annin, finally had some time away from school to work on the "AR3.5" project, and am currently in a holdup. I'm using a mega 2560 with the t...