CNC Shield V3 Engraving Machine / 3D Printer / + 4 PCS DRV8825 Driver Expansion Board for Aduino
Categories :
3D PrinterSKU :
180423Feature:
- A4988 Stepper Motor Driver Board is a breakout board for Allegro's A4988 DMOS Micro stepping Driver with Translator and Overcurrent Protection; please read the A4988 datasheet carefully before using this product. 
- Low RDS (On) Output 
- Automatic current decay mode detection / selection 
- Mix with slow current decay modes 
- Synchronous rectification for low power dissipation 
- Internal UVLO 
- Crossover-current protection 
- 3.3 and 5 V compatible logic supply 
- Thermal shutdown circuitry 
- Ground fault protection 
- Load short-circuit protection 
- Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16 
- Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver. (More generally, rewiring anything while it is powered is asking for trouble).