A4988 Stepper Motor Driver 2A
65.00 EGP
A4988 Stepper Motor Driver is a compact, high-performance driver for bipolar stepper motors, supporting up to 2A per coil and 1/16 microstepping. With built-in translator circuitry, it simplifies motor control for CNC machines, 3D printers, robotics, and automation projects.
Description
A4988 Stepper Motor Driver 2A
🔑 Key Features
✅ 2A Per Coil Output – Drives NEMA 17/23 steppers efficiently
✅ 1/16 Microstepping – Smooth, precise motion control
✅ Built-in Translator – Works with just STEP/DIR signals (no complex coding)
✅ Overcurrent & Thermal Protection – Prevents motor/driver damage
✅ Adjustable VREF – Fine-tune current limit via potentiometer
✅ Compact Design – Easy to mount on breadboards or PCBs
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Motor Voltage | 8-35V DC |
| Output Current | Up to 2A/coil (adjustable) |
| Microstepping | Full, 1/2, 1/4, 1/8, 1/16 |
| Logic Voltage | 3.3-5V |
| Protections | Overcurrent, thermal shutdown, under-voltage lockout |
| Dimensions | 20mm × 15mm × 10mm |
🚀 Applications
-
3D Printers (Extruder/X-Y-Z axis control)
-
CNC Machines (Spindle/linear motion)
-
Robotics (Arm/joint precision movement)
-
Automated Systems (Conveyor belts, dispensers)
🔧 Wiring Guide
| Pin | Connection |
|---|---|
| VMOT | Motor power (8-35V) |
| GND | Motor ground |
| STEP | MCU pulse input (e.g., Arduino) |
| DIR | MCU direction control |
| ENABLE | Optional motor disable |
| MS1/MS2/MS3 | Microstep resolution selection |
⚠ Warning:
-
Always set VREF (current limit) before use!
-
Use heat sinks for currents >1A.
📦 Package Includes
-
1 × A4988 Driver Module
-
1 × Heat sink (optional)
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