AR3 kit

Difference between AR3 and AR2 is that each motor in AR3 have rear shaft and mounting holes for encoder. Here is the youtube video show how to build a AR3 robot by yourself  OPEN SOURCE LOW COST ROBOTS If you expect to ge..

This kit only has motors in AR3 as the below.  Package includes: 1 x Nema 17 Dual Shaft Stepper Motor L=39mm Gear Ratio 10:1 High Precision Planetary Gearbox 9.5mm Rear Shaft Length 17HS15-1684D-HG10-AR3 1 x Nema 23 Dual..