tb6600 stepper motor driver module Precise motor control Supports 2 phase stepper motor forward and reverse motion Phase excitation options: 12, w12, 2w12, 4w12 Energy saving semi automatic current locking function for efficiency Versatile applications Suitable for nema 17, 23, 24 stepper motors Ideal for xyz work tables, labeling machines, engraving machines, pick and place equipment, and 3D printers Advanced safety features Built in temperature guard Over current guard Under voltage guard Anti reverse connection Powerful dc power supply and drive Operates on 942 V DC H bridge bipolar constant current drive Eight output currents up to 4.0 A Practical use scenarios Upgrade a small CNC machine or 3D printer to improve precision and control while keeping power consumption in check Use in labeling or engraving machines for reliable motor control with safety protections Integrate into a pick and place station or xyz table for compact automation projects