CNC Expansion Shield V3 + 4pcs A4988 Stepper Driver For Arduino Uno and Mega2560

This Arduino motor control shield uses removable A4988 or DRV8825 compatible stepper motor drivers and can be used for engraving machines 3D printers or other applications requiring control of multiple stepper motors, such as for X Y Z control. 

It is compatible with GRBL 0.8 open-source firmware operating on either an Arduino-compatible UNO V3 or MEGA2560, converting G code commands into stepping signals.

Specifications:

CNC Expansion Shield:
Version: V3.0
Color: Red
Size: 68 x 53 x 18mm / 2.67 x 2.08 x 0.7"
Voltage: DC 12V to 36V (only DRV8825 driver can handle up to 36V, A4988 is limited to 35V)
Compatible with Arduino-compatible Uno V3 or MEGA2560 microcontrollers

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
Load Short Circuit Protection: Yes
Minimum operating voltage: 8V
Maximum operating voltage: 35V
Continuous current per phase: 1A
Maximum current per phase: 2A (with cooling)
Minimum logic voltage: 3V
Maximum logic voltage: 5.5V
Microstep resolutions: Full, 1/2, 1/4, 1/8 and 1/16

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

Package Includes:
1x V3 Motor Controller Expansion Shield
4x A4988 Drivers
4x A4988 Heat Sinks
Link to Online Operation and Programming Instructions

The Arduino-compatible Uno V3 or MEGA2560 are not included - they are shown in the photo for illustrative purposes only.

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