Devices / Makers & open firmware / grbl CNC motion controller firmware

grbl CNC motion controller firmware firmware

current

Latest firmware: 1.1
Released: Aug 26, 2019
Category: Makers & open firmware
Last checked: Sep 14, 2026

How to update the grbl CNC motion controller firmware

Read the release notes first — firmware changes can require re-doing your config or calibration.
Use the project's own installer where it has one: a web flasher over USB, or an over-the-air update in its web UI.
Otherwise build or download the binary for your exact board from the releases page — the wrong board file will not boot.
Keep the previous firmware image and your config backed up so you can roll back.

Always download firmware from the manufacturer or project itself. Firmwarely links out; it never hosts firmware.

What changed

**This release fixes minor bugs and includes a new optional dual motor support for self-squaring gantry homing.** **[OPTIONAL]** *Dual motor support for self-squaring gantry homing.* - **NOTE: Default build remains the same! Dual motor support can only be enabled in config.h.** - New dual motor sup…

Manufacturer release notes ↗

Version history

1.1	Aug 26, 2019

FAQ

How do I update the grbl CNC motion controller firmware?

See the step-by-step above. Follow the project's release page for the flashing or OTA procedure. Many maker devices update from a web installer or the project's desktop app.

How does Firmwarely know when there's a new version?

Every night we read the manufacturer's official release page for the grbl CNC motion controller firmware and record the version, date and changelog. If anything changed, subscribers watching this device get an email.

Is this an official grbl page?

No. Firmwarely is independent. Device and brand names belong to their manufacturers; always download firmware from the official source.