WaveTopSign Stepper Motor Driver DM542 Voltage 20-50VDC Current 1.0-4.2A For 57 86 Series Digital Stepper Motor - AliExpress
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Amazon.com: SparkFun Big Easy Driver Stepper Motor Driver Board for bi-Polar Stepper Motors up to a max 2A/Phase Maximum Motor Drive Voltage of Around 30V Includes on-Board 5V/3.3V Regulation Allegro A4988 Chip :
High bus voltage stepper drives and motors from AutomationDirect
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