I apologize I was updating the stl files with higher resolution and and missed that file. I have added it back in.

It wont take much to build the AR4. The motors and encoders you purchases for the AR3 will still work with the AR4 - I will post an updated sketch in ...

Wow, that looks great. I like the cart panel for the GX16 connectors.

Are you working with the AR2? or are you building a custom robot? The first thing I would do is review the AR3 manual and look at the chapter on start...

Its hard to tell with the different moves you show there but it looks like J4 might be reversed? I was just reviewing the email you sent me - can you ...

Hello, I got your email and answered your question on the 5vdc to the teensy. Keep me posted on continuity testing and I'll help you out any way I can...

Starting with your questions on the limit switches, what behavior are you noting when trying to calibrate? Are the axis not stopping when the switches...

Thats amazing. how are you controlling the robot step/dir outputs through ROS? you say you haven't finish ROS control yet? thanks for sharing.

I would start with raising the speed multiplier at the top of the ARCS sketch and see if that helps to alleviate the 4988 driver missing steps.

@mike-mangan Looks awesome, thanks for sharing.

Looks awesome, keep me posted and thanks for posting.

Looks good so far, your J3 chain looks a little far away from the arm, you may want to reverse the sprockets so that the chain is close to the J2 arm....

My main suggestion would be to make sure you have a good hex key that is a tight fit and not rounded or worn so that the cap screws do not get damaged...

Awesome, thank you for sharing. keep the updates coming.

Awesome. thank you for the update.