The TB6600 stepper driver module is a compact controller designed to drive stepper motors in CNC, engraving, and automation projects. It accepts standard Step and Dir signals and provides an adjustable current limit up to 4.0A, powered by a 42VDC supply. The unit includes upgraded 32 segments for finer motion control and offers 17/23 driver options and 42/57/86 settings for flexible integration with existing control systems. Key benefits Smooth motion with upgraded 32 microstep segments, reducing vibration and improving precision. Adjustable current limit up to 4.0A to match motor torque and heat requirements. Compatible with 42VDC power supplies, enabling robust torque operation for common stepper motors. Simple Step and Dir interface that works with common CNC controllers, microcontrollers, and control boards. Flexible configuration options (17/23 driver, 42/57/86 driver) to fit a variety of systems. Widely used in DIY and professional projects for reliable motor driving and control. Key attributes Model: TB6600 stepper driver module. Microstep / segment upgrade: 32 segments upgraded. Current rating: 4.0A (maximum current limit). Input voltage: 42VDC. Interface: Step and Dir inputs for motor control. Compatibility focus: suitable for typical stepper motor systems requiring Step/Dir control and up to 42VDC supply. Features: 17/23 driver configuration and 42/57/86 driver settings as indicated in the product description. Use cases DIY CNC router or milling setup for wood, plastic, and light metals, benefiting from smoother motion and adjustable torque. 3D printer axis drive or Zaxis control, enabling precise and reliable layer advancement. Automation projects such as conveyors, robotic arms, or pickandplace mechanisms that require reliable, controllable stepper motor actuation.