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Sunday, March 22, 2015

Stepper driver for the DiscoveRap

A highend µController should have a highend stepper driver for the RepRap Printer. I decided to use a Trinamic chip. Here is the schematics for it.

It is able to dectect missing steps an the currents are progemmed via SPI, so no jumpers/potis are necessary to configure it.

And the Layout

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