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
✔️ 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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