CNC Shield Expansion Board 4Pcs A4988 Stepper Motor Dri

Features:

• 
  Use removable A4988 or DRV8825 compatible stepping driver.
  
• 
  The extension board can be used for engraving machine or 3D printer driver.
  
• 
  Compatible with GRBL 0.8. Open-source firmware, converting G code command into stepping signal.
  
• 
  PWM spindle and direction pin, 4 shaft support (X, Y, Z, A - you can copy X, Y, Z or use pin D12 and D13 customize firmware perform complete shaft 4).
  
• 
  Compact design, stepping motor can connect 4 pin connectors or be soldered.
  
• 
  This is a set of disassembled part, and you need basic soldering skills to solder them together.
  

Specifications:

CNC Expansion Board:

Version: V3.0

Color: Red

Size: 68 x 53 x 18mm / 2.67 x 2.08 x 0.7"

4pcs A4988 Driver:

Color: Red

Size: 20 x 15mm / 0.78 x 0.59"

Thermal Shutdown Circuit: Yes

Cross Current Protection: Yes

Ground Fault Protection: Yes

Short Circuit Protection: Yes

Five Step Modes: Full, 1/2, 1/4, 1/8 and 1/16

Mix with slow current attenuation model.

Internal UVLO and low RDS (on) output.

Automatic current attenuation mode Detection/Select.

Phase-in rectifier, low power consumption.

Warning: Connecting or disconnecting stepping motor while driver is powered on might damage driver.

4pcs Heat Sinks:

Size: 8 x 8mm / 0.31 x 0.31"

Color: White

Package Includes:

1 x V3 Extension Board

4 x Drivers

4 x Heat Sinks

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