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A4988 Stepper Driver Module

SKU: SKU-MT-07

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Overview

Compact stepper motor driver module supporting microstepping and adjustable current control. Suitable for NEMA-series stepper motors and motion-control projects.

Key Highlights

Five microstep resolutions: full, 1/2, 1/4, 1/8, and 1/16-step
Adjustable current limiting via onboard trimmer potentiometer
Simple STEP and DIRECTION interface reduces microcontroller pin overhead
Over-temperature thermal shutdown and under-voltage lockout protection
Includes adhesive aluminum heatsink for heat dissipation

Technical Specifications

Driver ICAllegro A4988

Motor TypeBipolar Stepper Motor

MicrosteppingUp to 1/16 microstep

Control InterfaceSTEP / DIR

Operating Voltage8V – 35V DC

Adjustable CurrentYes (Onboard Potentiometer)

Max Current OutputUp to 2A per coil with active cooling

Applications3D printers, CNC, robotics and automation

Compatible MotorsNEMA stepper motors depending electrical requirements

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