A4988 Stepper Motor Driver module designed for precise control of
bipolar stepper motors. It supports micro stepping up to 1/16th steps,
adjustable current control, and thermal protection, making it ideal for 3D
printers, CNC machines, and robotics applications
Description:
The A4988 Stepper Motor Driver is a compact and powerful bipolar stepper
motor driver designed for easy control of stepper motors. It operates using micro stepping
technology, allowing precise motor movement and smooth operation. The A4988
supports full, half, quarter, eighth, and sixteenth-step resolution. It is
widely used in 3D printers, CNC machines, and robotic applications due to its
efficiency and ease of integration.
Specifications:
Operating
Voltage: 8V – 35V DC
Logic
Voltage: 3.3V – 5V (compatible with most microcontrollers)
Current
Handling: Up to 2A per coil (with proper heat dissipation)
Micro stepping
Modes: Full, ½, ¼, ⅛, 1/16 step
Built-in
Translator: Simplifies step control
Thermal
Protection: Over-temperature, overcurrent, and short-circuit protection
Adjustable
Current Control: Allows precise tuning of motor current
Features:
Supports up
to 2A per coil for powerful motor control
Micro stepping
support for smooth motor rotation
Current
limiting adjustment using an onboard potentiometer
Over-temperature
and short-circuit protection for safety
Easy step and
direction control using simple signals
Compact size
for integration into various projects
Applications:
3D Printers:
Controls stepper motors for precise movement
CNC Machines:
Drives stepper motors for accurate positioning
Robotics:
Enables motion in robotic arms and automated systems
DIY
Electronics Projects: Used in small automation and control applications
Automated
Systems: Suitable for conveyor belts, plotters, and smart devices
