A4988 Stepper Motor Driver Module with Heatsink

Description

A4988 Stepper Motor Driver Module with Heatsink — a high-performance motor control solution based on the Allegro A4988 stepper motor driver IC. It enables precise control of bipolar stepper motors using simple STEP and DIR interface signals, making it an excellent choice for Arduino-based projects, CNC machines, 3D printers, laser engravers, and robotics applications. Supporting up to 1/16 microstepping, the A4988 provides smooth motor movement, reduced vibration, and improved positioning accuracy. The included aluminum heatsink helps dissipate heat efficiently, allowing stable operation under demanding conditions. The module features adjustable current limiting, over-temperature protec

Key Features

• Based on the Allegro A4988 stepper motor driver IC
• Includes aluminum heatsink for improved thermal performance
• Controls one bipolar stepper motor
• Supports full-step, half-step, quarter-step, eighth-step, and sixteenth-step microstepping
• Simple STEP and DIR control interface
• Adjustable motor current limiting
• Built-in over-temperature shutdown protection
• Under-voltage lockout protection
• Cross-current and short-circuit protection
• Compatible with Arduino, RAMPS, CNC Shield, and other controller boards
• Smooth and accurate motor movement
• Ideal for CNC machines, 3D printers, robotics, and automation systems

Specifications