CNC Shield Expansion Board + 4pcs A4988 Stepper Motor Driver Kit With Heat Sink For 3D Printer / Laser Engraver

CNC Shield Board:

Version: 3.0
Colour: Red
Size (L*W*H): 68 x 53 x 18 mm
Voltage: DC 12~36 V (At the moment only the DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)

Features:

✔️ Uses removable A4988 or DRV8825 compatible stepper drivers.
✔️ The extension board can be used for carving machine, 3 d printer driver expansion board
✔️ GRBL 0.8 compatible. (Open source firmware that runs on an -UNO that turns G-code commands into stepper signals)
✔️ PWM Spindle and direction pins,4-Axis support (X, Y, Z , A-Can duplicate X,Y,Z or do a full 4th axis with custom firmware using pins D12 and D13)
✔️ Compact design. Stepper Motors can be connected with 4 pin Molex connectors or soldered in place.

A4988 Stepper Motor Driver:

Colour: Red
Size (L*W*H): 20 x 15 x 10 mm
Thermal shutdown circuitry: Yes
Crossover-current protection: Yes
Ground fault protection: Yes
Load short-circuit protection: Yes
Compatible logic supply: 3.3V and 5 V
Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16

Features:

✔️ Mix with slow current decay modes.
✔️ Internal UVLO and Low RDS (On) Output.
✔️ Automatic current decay mode detection/selection.
✔️ Synchronous rectification for low power dissipation.
✔️ Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.

Package Includes:

1 x CNC Shield Expansion Board
4 x A4988 Stepper Motor Driver
4 x Heat Sink