Hi Buddy, you can find more video/pics at BerryBot3D YouTube and Instagram.

Hi Kristian, I have found the Xbox plugin that Chris has put together to be a very valuable tool! I use it when programming the grip in my CNC mill for making X,Y moves at 1mm to get things dialed in. I have found problems when trying to use the triggers so I stick to using the D-pad on the Xbox controller.

A super great solution is to Teknic servo motor!! It has a built-in encoder also the coolest feature is auto homing to a hard stop. And if that wasn't enough the motor is totally software programmable!! I use the smallest of the NEMA 23 servos and it has tons of power to spare moving my large 30" reach track.

The AR- robots have very good repeatable accuracy. I just complete a 30 hours of part changing operation with my 3D printed AR2 taking finished parts in and out of my CNC mill. Pulling finished milled parts then Installing new stock without skipping a beat! Total awesome! Having said that there are many factors that can contribute to the repeatable accuracy, reach, speed, weight in gripper....

Buddy, I don't think that can be done as the software is now. I have my robot setup to change stock/parts in and out of my vertical milling machine. I have many inputs setup, but I use them as safety checks, like sensors to make sure a piece of stock is actually in the gripper before closing. Another example is checking to be sure the mill door is open before the robot makes a move inside. Yet one more example is that I have a sensor verify that the new stock is in place before the vise fixture clamps.

Yeah Buddy the control board can get there power from USB however be sure to connect the ground from your 5V power supply to both of the boards. Chris does show the Teensy board getting +5 and GND from the power supply.