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Cloned Duex5 Expansion Control Board with TMC2660 Support for Thermocouple Or PT100 Boards for 3D Printer Parts and CNC Machine : Amazon.ca: Industrial & Scientific
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TMC2660-EVAL - Trinamic / Analog Devices - Evaluation Board, TMC2660 Bipolar Stepper Motor Driver, Up to 256 Microsteps
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