Feature

●Uses removable A4988 or DRV8825 compatible stepping driver.
●Extender can be used for engraving machines or 3D printer drivers.
●Compatible with GRBL 0.8 Open source firmware works on the UNO and converts G-code commands to stepping signal.
●PWM spindle and direction pin, 4-shaft support (copy X, Y, Z, A-X, Y, Z or customize firmware using pin D12 and D13 to run full shaft 4)
●Compact design, stepping motor can be connected or soldered with 4 pin connectors.


Description

Features:
Use removable A4988 or DRV8825 compatible stepping drivers. Extension plate can be used for engraving machines or 3D printer drivers. Compatible with GRBL 0.8 Open source firmware works on UNO and converts G-code commands to stepping signal. PWM spindle and directional pins, 4-axis support (you can copy X, Y, Z, A-X, Y and Z or run a full shaft 4 using custom firmware D12 and D13 pins). Compact design stepping motor can be connected to a 4-pin connector or soldered. This is a series of disassembled parts and requires basic soldering skills to solder them together.


Specifications:
CNC Expansion Board:
Version: V3.0
Red color
Size: 2.67 x 2.08 x 0.7 inches (68 x 53 x 18 mm).
Voltage: DC 12 V - 36 V (Only DRV8825 drivers can handle a maximum of 36 V, so please consider the voltage of the power supply).
4 pcs A4988 Driver:
Red color
Size: 0.78 x 0.59 inches (20 x 15 mm).
Thermal Shutdown Circuit:Yes
Cross Current Protection:Yes
Ground tangle:Yes
Short Circuit Protection:Yes
Compatible Logic Voltage: 3.3 V and 5 V
5 step modes: Full, 1/2, 1/4, 1/8, 1/16.

Mix with slow current dampening model.
Internal UVLO and low RDS(on) output
Automatic current dampening mode detection/selection.
Phase in Rectifier, Low Power Consumption
WARNING: If you connect or disconnect a stepping motor while the driver is turned on, the driver may be damaged.

4-piece Heat Sink:
Size: 0.31 x 0.31 inches (8 x 8 mm).
Color: White

Package Includes:
1 x V3 expansion board
4 x Screwdriver
4 x Heatsink