HW-702 CNC Expansion Card shield v4 Laser engraving machine printer kit



CNC shield V4 needs to work with Nano board. It can be used as an expansion card driver for engraving and 3D printers. It has a total of 3 channel slots for A4988 stepper motor driver modules (not included) for driving 3 stepper motor channels. Each stepper motor channel only needs 2 IO ports, which means that 6 IO ports is sufficient to handle 3 stepper motors. This shield can make rapid work for the management of stepper motors in the project.


  1. 3 axis stepper motor driver
  2. Compatible with micro-drive laser engraving machine, three-axis CNC engraving machine ,.
  3. 2A can be controlled within the two-phase four-wire stepper motor.
  4. Released the digital IO interface, easy to connect to other modules, such as RISCONTRO.
  5. Released the I2C interface, you can connect the I2C LCD DISPLAY or other I2C module.
  6. DC5V power interface, 7.5-12 V input voltage.
  7. GRBL compatible
  8. He worked with arduino nano.


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