Enhance your motion control projects with this high-performance Stepper Motor Driver, designed for precision, durability, and safety. Featuring an adjustable current setting via a convenient dialing switch and seven selectable micro-step options, this driver provides smooth and accurate motor operation while minimizing heat generation through its automatic half-current reduction feature. Equipped with a large area heat sink, it efficiently dissipates heat to maintain reliable performance during prolonged use. Key Features: · Adjustable Current Dialing Switch: Easily set the output current between 0.5A and 4A to match your stepper motor requirements for optimal performance. · Seven Micro-Step Settings: Offers seven selectable micro-steps with up to 32 subdivisions, enabling precise control and smooth motor movement. · Automatic Half Current Function: Reduces current by half during standby periods to effectively lower heat production and improve driver longevity. · Large Heat Sink Design: Maximizes heat dissipation, preventing overheating and ensuring stable operation under heavy loads. · Robust High-Frequency Interference Resistance: Protects your system from electromagnetic disturbances for consistent and accurate motor control. · Comprehensive Protection Features: Built-in overheat, overcurrent, short circuit, and input voltage reverse polarity protection safeguard your device and connected components. Specifications: · Input Voltage: DC 9-40V · Recommended Input Current: 5A · Output Current: Adjustable from 0.5A to 4A · Maximum Power: 160W · Micro-Step Resolution: Up to 32 micro steps · Size: Approx. 9.5 x 7 x 2.7 cm (3.7 x 2.7 x 1 inch) · Weight: 148g Package Includes: · 1 x Stepper Motor Driver This Stepper Motor Driver is an ideal choice for CNC machines, 3D printers, robotics, and other automated systems requiring precise motor control. Its combination of adjustable settings, strong protective features, and efficient thermal management makes it a reliable and versatile solution for both professionals and hobbyists.