CNC Expansion Board with A4988 Drivers for 3D Printers

Upgrade your 3D printer with this easy-to-install CNC expansion board for smoother and more precise prints

Product Price

$15.72

Product Review Score

4.22 out of 5 stars

80 reviews

Product Summary

The CNC Expansion Board with A4988 Drivers is a solid choice for upgrading your 3D printer’s performance. It makes controlling your stepper motors smoother and more efficient, giving you better print quality and reliability.

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Additional Product Details

  • Built-in A4988 drivers make setup super easy
  • Operates bipolar stepper motors in various microstepping modes up to 1/16
  • Outputs up to 35 V and ± 1 A for solid performance
  • Comes with robust internal protections like thermal shutdown, UVLO, and cross current protection
  • No special power sequencing needed for operation
  • Fixed off-time current regulator helps in smooth movement
  • No complex interface programming required—just input a pulse at the "Step" input to get things rolling
  • Automatic current decay mode selection reduces motor noise
  • Hybrid control helps with step accuracy and cuts down power use
  • Includes a compact design that fits well in tight setups
  • Supports removable A4988 compatible stepper driver for versatility
  • Compatible with GRBL 0.8 for easy G-code integration
  • PWM steering and support for up to four axes (X, Y, Z, A)
  • Small footprint of 5mm x 5mm with an exposed heat sink for better thermal management
  • User-friendly and requires basic soldering skills for assembly

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