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by Matthew Cole November 9, 2026

GRBL CNC Controller Guide – Part 2: Configuration, Homing & Z-Probe

Learn how to configure and calibrate your GRBL CNC controller. This guide covers steps/mm, acceleration, homing, limit switches, Z-probe setup and troubleshooting for reliable CNC operation.
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by Matthew Cole November 9, 2026

GRBL CNC Controller Guide – Part 1: Hardware & Setup

Build a GRBL CNC controller using an UNO R3, CNC Shield V3 and DRV8825 stepper drivers. Follow our step-by-step guide covering hardware assembly, wiring, GRBL installation, CNCjs and your first movement test.
- Arduino UNO
- CNC Controller
- CNC Shield V3
- CNCjs
- DRV8825
- GRBL
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