A4988 Stepper Motor Driver Board is a breakout board for Allegro’s A4988 DMOS Microstepping Driver with Translator and Overcurrent Protection; please read the A4988 datasheet carefullybefore using this product.
Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver. (More generally, rewiring anything while it is powered isasking for trouble.
Low RDS (ON) outputs
Automatic current decay mode detection / selection ,Mixed with slow current decay modes
Synchronous rectification for low power dissipation, Crossover-current protection
3.3 and 5 V compatible logic supply, Thermal shutdown circuitry
Ground Fault Circuit, Load short-circuit protection
Of five optional step mode: full, 1/2, 1/4, 1/8 and 1/16
Package Include :
1Pcs A4988 StepStick Stepper Motor Driver for 3D Printer (With aHeatsink),