- Stepper motor driver with DC power supply input and bipolar constant-phase drive. Eight selectable output currents allow precise torque control for different motors. - Protection features include energy-saving semi-automatic power lock, built-in temperature protection, over-current protection, undervoltage protection, and reverse-polarity protection to safeguard the system. - High-subdivision performance: designed for high subdivision motors and compatible with standard stepper motors, enabling fine microstepping control. - Anti-resonance design delivers smooth torque, steady motion, reduced motor heating, and lower noise for reliable operation. - Practical applications: - CNC routers or engraving machines requiring precise microstep control and efficient cooling. - Precision positioning stages in automation or inspection setups that demand stable, low-noise motion. - 3D printers or similar equipment needing adjustable current settings for different stepper motors. - Key attributes: functional stepper motor drive, compatible with standard stepper motors, multiple current settings for customization, protections for safe operation, and anti-resonance for improved performance.