CyBoT - BigTreeTech GTR V1 with TMC2209 drivers

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I bought a BigTreeTech GTR v1 boars and TMC2209 drivers to be able to run +6 steppers.
Amazing to hear the sound of those steppers comparing to A4988 or DRV8825.

I m currently working on the migration of the SpeedyStepper arduino library to make it compatible with the STM32. I still have to make some adjustment, but the acceleration and synchronization are already working.
Next step is to try to link it on my Raspberry PI ubuntu and control it with ROS. Still don't know what I have to do on the STM32 side, but will be fun to learn.
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nice project! do you have a complete sketch or is it in progress? *I'm curious*

JDMiles