{"product_id":"cnc-shield-v3-expansion-board-for-engraving-machines-3d-printers-compatible-with-a4988-driver-modules","title":"2 Pack CNC Shield V3 Expansion Board – For Engraving Machines \u0026 3D Printers (Compatible with A4988 Driver Modules)","description":"\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"product-description\"\u003eProduct Description\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eThe CNC Shield V3 Expansion Board is a compact stepper‑motor control shield that plugs directly onto an Arduino Uno‑style board to create a standalone CNC or basic 3D‑printer controller. It provides four sockets for A4988‑compatible stepper drivers (such as A4988 or DRV8825), allowing you to drive up to four stepper motors for X, Y, Z, and a duplicated or fourth axis.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.az-delivery.de\/en\/products\/az-delivery-cnc-shield-v3\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/rees52.com\/products\/arduino-compatible-cnc-shield-v3-engraving-machine-3d-printer-a4988-driver-expansion-board-rc053\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eDesigned around the popular GRBL firmware, the shield exposes pins for two endstops per axis, spindle and coolant control, and microstepping configuration via jumpers. Stepper motors connect via 4‑pin headers or screw terminals, and a separate motor power input supports typical CNC and 3D‑printer voltages in the 12–36 V range (driver‑dependent), making this board a flexible foundation for desktop CNC, laser engravers, and motion‑control projects.\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"ideal-uses\"\u003eIdeal Uses\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eDesktop CNC routers and engraving machines\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eusing NEMA 17 or similar steppers for X\/Y\/Z axes.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eBasic 3D printers and DIY motion platforms\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrolled by GRBL or custom Arduino firmware.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=sUvdsH6dfZU\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/rees52.com\/products\/arduino-compatible-cnc-shield-v3-engraving-machine-3d-printer-a4988-driver-expansion-board-rc053\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\u003cstrong\u003eLaser engravers and plotters\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere precise multi‑axis stepper control is required.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/rees52.com\/products\/arduino-compatible-cnc-shield-v3-engraving-machine-3d-printer-a4988-driver-expansion-board-rc053\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eEducational projects exploring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eG‑code, GRBL, and stepper motor control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith A4988\/DRV8825 drivers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"compatibility\"\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003eArduino‑compatible\u003c\/strong\u003e: designed to plug onto Arduino Uno‑form‑factor boards and work with GRBL (e.g., GRBL 0.8\/0.9\/1.x, depending on shield revision).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4988‑compatible stepper drivers\u003c\/strong\u003e, including A4988 and DRV8825 (and similar Pololu‑style modules).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eUp to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efour stepper drivers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor X, Y, Z, and an additional A axis that can clone an axis or act as a fourth axis with custom firmware.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eMotor supply typically\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12–36 V DC\u003c\/strong\u003e, limited by the installed driver modules (A4988 usually up to 35 V; DRV8825 up to ~45 V; follow driver datasheet).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003eFour driver sockets\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor A4988‑compatible stepper driver modules, enabling control of up to 4 stepper motors.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003e4‑axis support\u003c\/strong\u003e: X, Y, Z, plus A (clone of X\/Y\/Z or independent axis with custom firmware).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003eTwo endstop inputs per axis\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(6 total), supporting min\/max switches for X, Y, and Z.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003eSpindle enable\/direction and coolant outputs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor controlling relays, MOSFETs, or spindle drivers.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e\n\u003cstrong\u003eMicrostepping jumpers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunder each driver socket to configure step resolution (e.g., up to 1\/16 for A4988, 1\/32 for DRV8825).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSeparate terminals for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emotor power (12–36 V)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand logic power via the Arduino, allowing appropriate supplies for both.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/rees52.com\/products\/arduino-compatible-cnc-shield-v3-engraving-machine-3d-printer-a4988-driver-expansion-board-rc053\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eStepper outputs via\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4‑pin headers or screw terminals\u003c\/strong\u003e, suitable for NEMA 17\/23‑style motors.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eCompact shield footprint that sits directly on the Arduino Uno, minimizing wiring and making assembly cleaner.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.az-delivery.de\/en\/products\/az-delivery-cnc-shield-v3\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs (Typical, CNC Shield V3)\u003c\/h2\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eExact details may vary slightly between manufacturers and revisions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eShield Version:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCNC Shield V3.x\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor Arduino Uno.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSupported Drivers:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eA4988, DRV8825, and compatible Pololu‑style modules\u003c\/strong\u003e.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eNumber of Axes:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(X, Y, Z, A).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eMotor Supply Voltage: typically\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12–36 V DC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(limited by installed drivers).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eLogic Voltage: typically\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evia Arduino; drivers accept 3.3\/5 V logic depending on type (A4988\/DRV8825 support both).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eEndstops: up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2 per axis\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(X‑min\/X‑max, Y‑min\/Y‑max, Z‑min\/Z‑max).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/rees52.com\/products\/arduino-compatible-cnc-shield-v3-engraving-machine-3d-printer-a4988-driver-expansion-board-rc053\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eFirmware: commonly used with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGRBL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(open‑source G‑code interpreter for Arduino Uno).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"group\/trigger inline-flex min-w-0\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eBoard Size: approx.\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e68 × 53 × 18 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(typical for many CNC Shield V3 boards).\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.az-delivery.de\/en\/products\/az-delivery-cnc-shield-v3\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"whats-included\"\u003eWhat’s Included\u003c\/li\u003e\n\u003cli class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\"\u003e1 × CNC Shield V3 Expansion Board (A4988 driver modules typically sold separately).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003e(Some kits may include A4988\/DRV8825 drivers and heatsinks; check specific product options.)\u003c\/p\u003e\n\u003ch2 class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_\u0026amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+\u0026amp;]:mt-4\" id=\"safety-note\"\u003eSafety Note\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eAlways\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003einsert A4988\/DRV8825 driver modules in the correct orientation\u003c\/strong\u003e; misalignment (e.g., reversed EN pin) can instantly damage the drivers and shield.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/rees52.com\/products\/arduino-compatible-cnc-shield-v3-engraving-machine-3d-printer-a4988-driver-expansion-board-rc053\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eSet the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecurrent limit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon each driver (using the Vref potentiometer and datasheet formulas) to match your stepper motors; over‑current can cause overheating and thermal shutdown or permanent damage.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/forum.arduino.cc\/t\/cnc-shield-with-a4988-not-supplying-enough-current-to-the-stepper-motor\/1170402\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eUse an appropriate\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emotor power supply\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(e.g., 12–24 V for NEMA 17 steppers) and ensure total current draw stays within the supply and driver limits.\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/forum.arduino.cc\/t\/cnc-shield-with-a4988-not-supplying-enough-current-to-the-stepper-motor\/1170402\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\"\u003e\u003cspan class=\"inline-flex\"\u003e\u003ca rel=\"noopener\" class=\"inline-flex max-w-full min-w-0\" href=\"https:\/\/www.youtube.com\/watch?v=dR4I1YjNKqA\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:align-top\"\u003eKeep fingers and conductive objects away from the shield while powered, especially around exposed driver modules and motor terminals, to avoid short circuits and injury from moving mechanical parts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"sugar","offers":[{"title":"Default Title","offer_id":44922553073799,"sku":null,"price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7763\/5719\/files\/CNCShieldV3ExpansionBoardtop.png?v=1781874363","url":"https:\/\/sugarstore.dev\/products\/cnc-shield-v3-expansion-board-for-engraving-machines-3d-printers-compatible-with-a4988-driver-modules","provider":"sugar","version":"1.0","type":"link"}