A4988 3D Printer Reprap Stepper Motor Driver Module with Heat Sink
A4988 is a complete microstepping motor driver with built-in translator for easy operation.
This product is available in full, half, 1/4, 1/8 and 1/16 step modes operate bipolar stepper motors, output drive capacity of up to 35 V and ± 2 A.
Low RDS (On) Output
Automatic current decay mode detection / selection
Mix with slow current decay modes
Synchronous rectification for low power dissipation
3.3 and 5 V compatible logic supply
Thermal shutdown circuitry
Ground fault protection
Load short-circuit protection
Optional step five modes: full, 1/2, 1/4, 1/8 and 1/16