- CNC Shield Board

  • Version: 3.0
  • Color: Red
  • Size(L*W*H): 68 x 53 x 18 mm
  • Voltage: DC 12~36 V (At the moment only the DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)


  • Uses removable A4988 or DRV8825 compatible stepper drivers.
  • The extension board can be used for carving machine, 3 d printer driver expansion board
  • GRBL 0.8 compatible. (Open source firmware that runs on an Arduino UNO 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)
  • Compact design. Stepper Motors can be connected with 4 pin molex connectors or soldered in place.
  • Please note that this is an unassembled kit and Basic soldering skills are needed.

A4988 Stepper Motor Driver

  • Color: Green
  • Size(L*W*H): 20 x 15 x 10 mm
  • Thermal shutdown circuitry: Yes
  • Crossover-current protection: Yes
  • Ground fault protection: Yes
  • Load short-circuit protection: Yes
  • Compatible logic supply: 3.3V and 5 V
  • Five selectable step modes: full, 1/2, 1/4, 1/8 and 1/16


  • 1. Mix with slow current decay modes.
  • 2. Internal UVLO and Low RDS (On) Output.
  • 3. Automatic current decay mode detection/selection.
  • 4. Synchronous rectification for low power dissipation.
  • 5. Warning: Connecting or disconnecting a stepper motor while the driver is powered can destroy the driver.

Uno R3 Board

  • MCU: ATmega328
  • Clock speed: 16 MHz
  • USB interface: CH340
  • Operating voltage: 5 V
  • I-I / O pin output current: 40 mA max
  • 3.3 V output current: 150 mA max
  • Digital I/O pins: 14 (including 6 with PWM capability)
  • Analog input pins: 6
  • EEPROM: 1 kB
  • Static RAM (SRAM): 2 kB
  • Flash memory: 32 kB
  • Size(L*W*H): 68 x 53 x 10 mm

Package included:

  • 1 x Uno R3 Board
  • 1 x CNC Shield Board
  • 4 x A4988 Stepper Motor Driver
  • 4 x Heat Sink
  • 1 x USB Cable
  • 1 x 40-Pin Row Needles

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CNC Shield + 4 x A4988 Stepper Motor Driver with Heat Sink + UNO R3

  • Product Code: 0158
  • Availability: Laikinai neturime
  • 25.00€

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Tags: CNC, Shield, Arduino, A4988, Stepper motor, driver, UNO