A4988 Stepper Motor Driver for CNC 3D Printer

⚙️ A4988 Stepper Motor Driver Module for CNC & 3D Printers – Microstepping Motor Control in Sri Lanka

Upgrade your CNC machines, 3D printers, and robotics projects in Sri Lanka with the powerful and compact A4988 Stepper Motor Driver Module. Designed for precision control and maximum efficiency, the A4988 offers full, half, 1/4, 1/8, and 1/16 step resolutions, making it the ideal choice for bipolar stepper motors.

This module features a built-in translator for easy microstepping operation—send one pulse to the STEP pin and the motor moves one microstep. No complex programming, phase sequencing, or high-frequency control required!

✅ Key Features:

• Supports Full, Half, 1/4, 1/8, and 1/16 step modes

• Operating voltage: 8V to 35V

• Output current up to 2A per phase (with heat sink)

• Fixed off-time current regulator for consistent performance

• Mixed decay and slow decay modes for smoother control

• Thermal shutdown, under-voltage lockout, and short-circuit protection

• Low noise, low power consumption, and high step accuracy

• Compact QFN package with 5mm x 5mm size and enhanced heat dissipation

🔧 Specifications:

• Minimum Logic Voltage: 3V

• Maximum Logic Voltage: 5.5V

• Continuous Current per Phase: 1A

• Peak Current: 2A (with heat sink)

• Microstep Resolution: Full, 1/2, 1/4, 1/8, 1/16

• Protection: Thermal shutdown, ground fault, load short-circuit

• Interface Type: STEP/DIR (easy microcontroller compatibility)

🛠️ Applications:

• 3D Printers (e.g., Prusa, Ender, etc.)

• CNC Machines

• Laser Engravers

• DIY Robotics Projects

• Precision Motor Control Systems

🛒 Why Buy from ShopExpress.lk?

At ShopExpress.lk, we bring you reliable and affordable electronics modules in Sri Lanka – perfect for makers, students, engineers, and hobbyists. With fast delivery, trusted local support, and a wide selection of components, your next Arduino, Raspberry Pi, or DIY electronics project is just one click away.