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TESTING max RPM and Accelration - M542 vs TB6600 on 20VDC with 57A2 2.2Nm 4A Stepper Motor - YouTube
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3pcs 34mm Nema17 Stepper Motor 42 Motor Nema 17 Motor 1.8degree 0.4a 0.84a 1.33a 0.28nm Stepping Motor 4-lead For 3d Diy Printer - Stepper Motor - AliExpress
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