Product description
A4988 stepper motor driver module for controlling bipolar stepper motors. The module is based on the Allegro A4988 and is controlled via STEP and DIR signals, making it compatible with Arduino, Raspberry Pi, ESP32, and other microcontroller platforms. It features adjustable current limiting, built-in protection functions, and supports microstepping up to 1/16 step. Suitable for 3D printers, CNC machines, robotics, and other motion control applications.
Features:
- Based on the Allegro A4988 stepper motor driver IC
- Controlled via STEP and DIR signals
- Supports full-step, half-step, 1/4-step, 1/8-step, and 1/16-step operation
- Adjustable current limiting via trimmer potentiometer
- Enable, Sleep, and Reset inputs
- Built-in overtemperature and overcurrent protection
- Breadboard friendly with 2.54 mm pin headers
- Equipped with screw terminals
Specifications:
- Motors: Bipolar stepper motors
- Logic level: Compatible with 3.3 V and 5 V
- Motor supply voltage: 8–35 VDC
- Microstepping: Full-step, 1/2, 1/4, 1/8, and 1/16
- Interface: STEP, DIR, ENABLE
- Supplied with: Pin header (not pre-soldered)