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CNC Controller + Software Ecosystem

Rabbit Board 4-Axis CNC Controller

Build reliable CNC motion around SourceRabbit hardware, Rabbit GRBL firmware, Focus control software, and RabbitCAM toolpath generation.

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4-Axis Motion ESP32 Rabbit GRBL Focus Ready
Featured Product
Rabbit Board 4-Axis
Rabbit Board 4-Axis Robust GRBL-based CNC motion controller for up to 4 axes, featuring buffered STEP/DIR outputs, 12V opto-isolated inputs, and a noise-resistant power design for real CNC environments.
€65.00€75.00VAT included
SourceRabbit Ecosystem

From toolpath to motion control

Use SourceRabbit products together or separately, depending on the CNC workflow you want to build.

SourceRabbit Ecosystem SourceRabbit CNC controller + software hub
01
Rabbit Board 4-Axis

Rabbit Board

Dedicated CNC controller hardware for real machine environments.

 02
Rabbit GRBL

Rabbit GRBL

GRBL-compatible firmware for stable, flexible ESP32 motion control.

 03
Focus

Focus

PC-based CNC control software for operating GRBL machines.

 04
RabbitCAM

RabbitCAM

CAM software for preparing CNC jobs from DXF, SVG, and PCB files.
Why Rabbit Board

Built for stable CNC motion

Rabbit Board 4-Axis is designed around clean STEP/DIR signals, protected inputs, and a controller layout that belongs in real CNC environments.

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Rabbit Board 4-Axis
Buffered STEP/DIR Clean motion signals for external motor drivers.
Opto-isolated inputs Limit switch and probe inputs protected from noisy wiring.
Rabbit GRBL ready Firmware-ready ESP32 controller workflow.
Real CNC power design 12V field-side input with stable regulated logic rails.
CNC Workflow

From design files to machine motion

Use the SourceRabbit stack as a complete path, or connect each product to the tools you already use.

01 Design file

DXF, SVG, PCB design, or prepared G-code.

02 RabbitCAM

Prepare CNC toolpaths from common design formats.
03 G-code

Move from CAM output to machine-ready instructions.

04 Focus

Send, monitor, and control GRBL-based CNC jobs.

 05 Rabbit Board

Convert commands into reliable CNC motion control.
Rabbit GRBL
FREE
Firmware

Rabbit GRBL for ESP32 CNC control

Rabbit GRBL is the firmware layer behind the SourceRabbit CNC ecosystem, bringing GRBL-compatible motion control to ESP32-based controllers.

6-Axis Ready Flexible motion control for advanced CNC configurations.
GRBL Compatible Designed around familiar G-code workflows and controller behavior.
Open Source Available for makers, educators, and professionals who want control over their firmware.
View Rabbit GRBL
Software Workflow

Control and CAM tools built around CNC work

Focus controls GRBL-based CNC machines, while RabbitCAM prepares CNC jobs from common design formats.

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Focus

Focus

PC-based CNC control software for GRBL controllers, with USB, WiFi, and Ethernet connectivity for stable machine operation.

View Focus
RabbitCAM

RabbitCAM

CAM software for preparing CNC toolpaths from DXF, SVG, and PCB design files.

View RabbitCAM
Downloads

Get the latest SourceRabbit software

Download Focus, RabbitCAM, Rabbit GRBL, and previous versions from the SourceRabbit downloads area.

Open Downloads
Focus Focus CNC control software RabbitCAM RabbitCAM CAM software Rabbit GRBL Rabbit GRBL ESP32 firmware
Ready to build your CNC control stack? Start with Rabbit Board and complete the workflow with SourceRabbit software.
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Community Support

Join SourceRabbit on Discord

If you are looking for help or information about SourceRabbit products, join the community and talk with us directly.

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Education

Academic Licenses

SourceRabbit provides complimentary academic licenses for qualified educational and non-commercial research use.

Apply for Academic License