Interesting way to control Steppers with SPI.

3D Printing
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Interesting way to control Steppers with SPI.

Originally shared by Digi-Key

Dual quiet, precise, & efficiently controlled steppers fwith 1.5 A at up to 16 V reduce cost of ownership
http://www.digikey.com/product-highlights/en/tmc5031-dualaxis-steppermotor-driver-and-controller-ic/52413?WT.z_sm_link=g+_trinamic_0701

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I’m not sure that this is really useful for us. It’s primarily meant for X/Y positioning of cameras, where you don’t really need to control the speed, acceleration, etc via software, you just need the steppers to get from point A, to point B, quickly. We need a lot more control over steppers than something like this gives us.