CNC Shield V3 3D Printer A4988 Stepper Motor Driver Expansion Board For Arduino

Description

Product Description
Features:
CNC Shield Board:
Latest CNC Shield Version 3.0 for Arduino.
GRBL 0.9 compatible. (Open source firmware that runs on for Arduino 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).
2 x End stops for each axis (6 in total).
Coolant enable.
Uses removable A4988 or DRV8825 compatible stepper drivers.
Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to  1/32 micro-stepping).
Compact design.
Stepper Motors can be connected with 4 pin molex connectors or soldered in place.
Runs on 12-36V DC. (At the moment only the DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
A4988 Stepper Motor Driver:
A4988 Stepper Motor Driver Board is a breakout board for Allegro's A4988 DMOS Micro stepping Driver with Translator and Overcurrent Protection.
Automatic current decay mode  detection / selection.
Mix with slow current decay modes.
Synchronous rectification for low power dissipation.
Internal UVLO.
Crossover-current protection.
3.3 and 5 V compatible logic supply.
Thermal shutdown circuitry.
Ground fault protection.
Load short-circuit protection.
Five selectable step modes: full,  1/2, 1/4, 1/8 and 1/16
Development Board for Arduino:
MCU: ATmega328
USB interface: ATmega16U2
Operating voltage: 5V
Digital I/O pins: 14 (including 6  with PWM capability)
Analog input pins: 6
I-I/O pin output current: 40mA max
3.3V output current: 150mA max
Flash memory: 32kB (0.5kB used by bootloader- included)
Static RAM (SRAM): 2kB
EEPROM: 1kB
Clock speed: 16MHz
Pckage list:
1 * CNC Shield V3
4 * A4988
4 * Heatsink
1 *
Development Board
1 * USB cable
Payment
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Contact Us
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