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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 ..
As low as : $489.62
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..
As low as : $296.16
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