A4988 Stepper Motor Driver Module for 3D Printers and CNC

The A4988 Stepper Motor Driver Module for 3D Printers and CNC is a high-performance controller designed to drive bipolar stepper motors with precision and reliability. Featuring advanced microstepping capabilities, it allows smoother and quieter operation in motion control applications, making it a top choice for 3D printers, CNC routers, and robotic platforms.

With support for up to 16 microsteps per step, the A4988 minimizes mechanical vibration and improves accuracy. It can deliver up to 2A output current per coil (with proper heat dissipation), and features thermal shutdown, overcurrent protection, and under-voltage lockout for safe operation. Its compact size and compatibility with popular control boards like RAMPS make it ideal for modular systems.

🔧 Key Features

• Drives bipolar stepper motors in full, half, quarter, eighth, and sixteenth-step modes
• Adjustable current control via onboard potentiometer
• Over-temperature and over-current protection for safe use
• Compact size ideal for integration into control boards
• Compatible with RAMPS 1.4 and other Arduino-based boards
• Includes detachable heatsink for thermal stability

📐 Technical Specifications

📌 Applications

• 3D Printers (X, Y, Z axis motor control)
• CNC routers and milling machines
• Robotic arms and motion platforms
• DIY automation and mechatronics
• Arduino and RAMPS-based motor projects

💡 Why Choose This Module?

The A4988 Stepper Motor Driver Module provides precision motion control with ease of integration. Its microstepping capabilities and robust safety features make it ideal for critical positioning tasks in modern electronics and mechanical systems.

📦 Package Includes

• 1 × A4988 Stepper Motor Driver Module
• 1 × Aluminum Heatsink