What parts do I need to build an AR4 robot?

There are 4 groups of parts needed to build the AR4 robot:

• AR4 Combo Kit - This includes all the aluminum structural components, hardware components and primary electrical components
  https://anninrobotics.com/robot-kits.
• Stepper Motors and Drivers - These are available at the lowest price; factory direct from Stepperonline
• 3D Printed Components - Print your covers and spacers yourself in any color you like, or buy a ready-made set from our 3rd party supplier, C.I. Printing.
• Gripper or tool holder - you can attach any tool holder or gripper you need. There is a pneumatic gripper kit and servo gripper kit available.