10pcs A4988 Stepstick Stepper Motor Driver Module with Aluminum Heat Sink for 3D Printer, CNC Machine, Reprap - Perfect for DIY Robotics and Precision Motion Control Projects

Low RDS (ON) outputs Automatic current decay mode detection / selection Mixed with slow current decay modes Synchronous rectification for low power dissipationCrossover-current protectionThermal shutdown circuitry 3.3 and 5 V compatible logic supplyfive optional step mode: full, 1/2, 1/4, 1/8 and 1/16Size: 1.5mm x 2mm

►A4988 is a complete microstepping motor driver with built-in translator for easy operation.

►Five step resolutionsfull-step,half-step,quarter-step,eighth-step,and sixteenth-step.Output drive capacity of up to 35V and±2A.

►Micro-step operation, Intelligent chopping control that automatically selects the correct current decay mode (fast decay or slow decay).

►Over-temperature thermal shutdown, under-voltage lockout, and crossover-current protection.

►Applications Stepper motors /3D printer/CNC/engraving machines/Supported 3d printers.