This expansion board as a driver expansion board, can be used for engraving machines, 3d printers. It has total of four slots, can drive four a4988 stepper motor. Each stepper motor only need two io ports. In other words, six io ports can be well managed for three stepper motors. Very convenient to use. Latest arduino cnc shield version 3. 03grbl 0. 8c compatible. (Open source firmware that runs on an arduino uno that turns g-code commands into stepper signals) 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)spindle enable and direction coolant enable uses removable pololu a4988 compatible stepper drivers. (A4988, drv8825 and others) jumpers to set the micro-stepping for the stepper drivers. (Some drivers like the drv8825 can do up to 1/32 micro-stepping).
About this item:-
- CNC Shield Board: Latest iduino CNC Shield Version 3.0 GRBL 0.9 compatible 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 Compatible with A4988 or DRV8825 stepper driver Runs on 12-36V DC
- iduino UNO R3 Board: 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: 32 kB (0.5kB used by bootloader – included) Static RAM (SRAM): 2 kB EEPROM: 1 kB Clock speed: 16MHz
- 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
- Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver. (More generally, rewiring anything while it is powered isasking for trouble.)
- Package Contents: 1 x CNC Shield Board 1 x UNO R3 Board for iduino 4 x drv8825 Stepper Motor Driver 4 x Heat Sink
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