Topdirect TB6600 Stepper Driver 4 a 9 – 42 V Stepper Motor Driver Controller 2/4 Phase Hybrid Stepper Motor Driver CNC LED Driver for 3D Printer Printer : Amazon.de: Business, Industry & Science
PWN Controller Signal Generator 15-160V / 5-12V Stepper Motor Controller Adjustable Frequency Speed Regulator Board for Controlling Motor : Amazon.ca: Industrial & Scientific
DRV8825 Step motor driver module with heat sink, e.g. for Ramps 1.4, CNC-Shield, 3D printer, Prusa Mendel – AZ-Delivery