SMC04 Stepper Motor Driver Controller, 6.6A Forward/Reverse Speed Control, DC 10-30V for Nema 17/23/34 (42/57/86 Motors) 200KHZ Pulse, 8-64 Micro-Step, TTL Serial Communication

Package List 1 x SMC04 Stepper Motor Driver Controller Integrated Board 1 x User Manual (English Version) Material & Specifications Material: High-quality PCB board + durable electronic components (anti-corrosion, heat-resistant) Color: Black (standard industrial design) Product Size: 79mm × 43mm × 41mm (compact structure, easy to install in equipment) Operating Temperature: 10°C ~ 60°C (no condensation, suitable for most industrial environments) Power Supply: DC 10V-30V Universal Input (wide voltage range, strong compatibility) Drive Capacity: Peak Current 6.6A (enhanced current design, more powerful than ordinary drivers) Pulse Frequency: Up to 200KHZ (supports high-speed operation, stable performance) Control Axis: Single-Axis Motor Signal: Common Cathode Micro-Step Resolution: 8-64 Subdivisions (adjustable, precise positioning) Core Features ✅ High Current & Strong Driving Force: Peak current up to 6.6A, significantly higher than standard stepper drivers, easily driving Nema 17/23/34 (42/57/86) stepper motors, ensuring stable operation even under heavy loads. ✅ Multi-Control Modes & Rich Functions: Supports automatic, manual, setting, and TTL serial communication control; realizes forward/reverse rotation, speed regulation, angle control, and cycle work. Equipped with acceleration/deceleration control to avoid mechanical shock. ✅ Precise Positioning & High Speed: 8-64 adjustable micro-step resolutions for accurate positioning (minimum step angle control); 200KHZ maximum pulse frequency enables high-speed operation up to 999 rounds per minute, balancing precision and efficiency. ✅ Comprehensive Protection & Safe Use: Built-in input reverse connection protection to prevent equipment damage from wrong wiring; high-quality materials and stable circuit design ensure long service life and reliable performance in harsh environments. ✅ Wide Compatibility & Easy Operation: DC 10-30V wide voltage input, compatible with most power supplies; simplified and optimized common instructions, easy to program and operate, suitable for PLC, Arduino, and other control systems.

• Powerful 6.6A Current & Broad Compatibility: This SMC04 stepper motor driver controller stands out with its enhanced peak current of 6.6A, providing stronger driving force than ordinary drivers. It perfectly matches Nema 17, 23, 34 stepper motors (corresponding to 42, 57, 86 series), making it ideal for industrial automation, 3D printers, CNC machines, and robotic arms. The DC 10-30V wide voltage input ensures compatibility with various power supplies
• Multi-Control Modes & Intelligent Functionality: Designed with four control modes (automatic, manual, setting, TTL serial communication), this integrated driver board meets diverse application needs. You can easily control forward/reverse rotation, adjust speed (0.1-999 rounds/min), set pulse counts (1-9999999 for forward/reverse), and cycle times (1-9999 times)
• Precise Positioning & High-Speed Performance: Featuring 8-64 adjustable micro-step resolutions, this driver achieves ultra-precise positioning, critical for applications like engraving machines, linear slides, and precision instruments. The maximum pulse frequency of 200KHZ supports high-speed operation, balancing efficiency and accuracy. The common cathode motor signal design ensures stable signal transmission, while the input reverse connection protection prevents damage from incorrect wiring
• All-in-One Integrated Design & Easy Installation: The SMC04 driver combines driving and control functions in one compact board, eliminating the need for additional modules and simplifying system setup. Its user-friendly design includes clear wiring ports and an English manual, enabling quick installation and configuration
• Reliable Protection & Long Service Life: Safety and durability are prioritized in this stepper motor driver. The input reverse connection protection safeguards the board and connected motors from electrical damage, while the high-quality electronic components ensure stable performance even under continuous operation. The 6.6A enhanced current design not only boosts driving power but also reduces heat generation, extending the product’s lifespan