Stepper Motor Driver (A4988)

The A4988 Stepper Motor Driver is a microstepping driver designed for precise control of bipolar stepper motors. With adjustable current control and microstepping capabilities, it is perfect for CNC machines, 3D printers, and robotics projects. Its compact design and easy-to-use interface make it a popular choice for hobbyists and professionals alike.

24.00

8 in stock

Description

⚙️ A4988 Stepper Motor Driver – Compact Power for Precision Motion! 🔩📐

The A4988 Stepper Motor Driver is a versatile and compact solution for driving bipolar stepper motors with fine-grained control. With microstepping support up to 1/16 step, adjustable current limiting, and thermal protection, it’s an ideal choice for your CNC, 3D printer, or robotic system.


✅ Key Features

  • 🔬 High-Precision Microstepping
    Supports full, half, quarter, eighth, and sixteenth step modes for smooth and accurate motor control.

  • ⚡ Adjustable Current Control
    Fine-tune motor current using the onboard potentiometer to prevent overheating and ensure optimal performance.

  • 🛡️ Built-In Protection
    Integrated thermal shutdown, over-current, and under-voltage lockout keep your system safe.

  • 🤖 Microcontroller Friendly
    Compatible with Arduino, Raspberry Pi, ESP32, and other development boards via simple STEP and DIR pin interfaces.

  • 🧰 Drop-in Replacement
    Compatible footprint with the Pololu A4988—ideal for RAMPS boards and RepRap setups.


📊 Technical Specifications

Parameter Value
Model A4988
Motor Type Bipolar Stepper Motors
Operating Voltage 8V – 35V
Max Current Output 2A per coil (with heat sink)
Microstepping Modes Full, 1/2, 1/4, 1/8, 1/16
Logic Voltage 3V – 5.5V
Interface Pins STEP, DIR, ENABLE, MS1–MS3, RESET, SLEEP
Dimensions 20mm × 15mm × 10mm

⚙️ Applications

  • 🛠️ CNC Machines: Achieve precise X/Y/Z axis movement

  • 🖨️ 3D Printers: Control extruders and bed positioning

  • 🤖 Robotics: Drive linear actuators and robotic arms

  • 🎮 DIY Projects: Camera sliders, plotters, and engraving machines


📦 Package Includes

  • 1 × A4988 Stepper Motor Driver Module

  • 1 × 16-Pin Male Header (Unassembled)

Optional: Add a heat sink for continuous high-current operation.


🌀 Control your stepper motors like a pro!
Compact, powerful, and easy to use—the A4988 gives you full control over your projects. Add it to your toolkit today and bring your motion systems to life with smooth precision! 🚀

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