2 Pack A4988 Stepper Motor Driver CNC Shield V4 For 3D Printer And Engraving Machines GRBL Compatible Arduino Nano Expansion Board Easy Hookup For Endstops And Laser Engraving Projects Upgrade Kit
UPC:
✔️ GRBL-compatible Shield V4 for Nano, 3-axis drive, 2A/channel
This 2-pack CNC shield V4 expansion board handles three A4988 driver channels for engaging 3-stepper setups in CNC machines, laser engravers, and 3D printers. It’s GRBL-compatible, works with Arduino Nano, and exposes digital IO and I2C interfaces for endstops and LCD modules.
✅ 3-axis stepper motor drive for GRBL-based machines
✅ 3 driver slots for A4988 modules (drivers not included)
✅ Up to 2A per channel for two-phase four-wire motors
✅ Includes digital IO and I2C interface connections for endstops and LCDs
✅ Power input 7.5-12V; 5V logic compatible
💡 What is a CNC shield with A4988 drivers used for in DIY 3D printers and engraving machines? It's handy for expanding motor control in a compact footprint and simple wiring. - It lets a microcontroller drive up to three steppers - It supports endstop connections and optional I2C LCD modules - It pairs with GRBL firmware on Arduino Nano for quick setup
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