Features:
Use a removable A4988 or DRV8825 compatible stepping driver.
Expansion board can be used with engraving machines or 3D printer drivers.
Compatible with GRBL0.8. Open source firmware to convert G code commands to stepping signals.
PWM spindle and direction pin, 4 shaft support (copy X, Y, Z, A-X, Y, Z, or use pin D12 and D13 to customize firmware to perform a complete shaft 4)
The stepping motor with a compact design can be connected or soldered.
This is a set of disassembled parts and requires 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 inch
Voltage: DC 12V ~ 36V (Only DRV8825 driver can support up to 36V, please consider the voltage of the power supply)
A4988 4 Screwdrivers:
Color: Red
Size: 20 x 15mm/0.78" x 0.59"
Thermal Shutdown Circuits: Yes
Current Protection: Yes
Ground circuit protection: Yes
Short Circuit Protection: Yes
Compatible Logic Voltage: 3.3V and 5V
5 step modes: Full, 1/2, 1/4, 1/8, 1/16
Combine with slow current attenuation models.
4 x Heat Sinks:
Size: 8 x 8mm/0.31" x 0.31"
Color: White
Package Includes:
1 x V3 Expansion Board
4 x Screwdriver
4 x Heat sinks