FluidBoard

The CNC controller built for real machines.

WiFi, Ethernet, CAN Bus, and USB — all standard. Powered by a dual-core ESP32-S3 with 8 MB RAM. Built on FluidNC, the firmware trusted by hundreds of thousands of makers worldwide.

Starting at just € 125,- excl. VAT and shipping

Buy now    FluidBoard details

FluidBoard

240 MHz Dual-core CPU
8 MB PSRam
16 MB Flash storage
2 year Hardware warranty
Since 2018 FluidNC founders

Why the FluidBoard?

You have a machine and want it to run. The FluidBoard provides just that. Unpack the board, setup a configuration and run it. No add-ons needed, no surprises.

Affordable

Our base controller covers most use cases at a surprisingly accessible price. No hidden costs, no expensive add-on modules.

Fast

Startup in seconds. High step rates on a dual-core processor. No PC required — the FluidBoard handles everything.

Built to last

Automotive-rated components. Every feature on every board tested before shipping. EMC and radiated emission tested.

Proven firmware

Built on FluidNC, used by hundreds of thousands. We co-founded the project in 2018 and contributed significant portions of the open-source code.

Broad compatibility

RS485 VFDs, ODrives via CAN Bus, 5V and 10V spindles, opto-coupled outputs, lasers, TMCs, external drivers, Ethernet, Wifi, and much more.

Fully configurable

Every layer is configurable for maximum flexibility. Router, mill, lathe, laser, or plasma cutter — we have you covered.

FluidBoard vs. FluidNC

Everything FluidNC can do, plus more. We plan to upstream these features over time.

FluidNC (Open Source) FluidBoard
CPU & Memory ESP32 / ESP32-S3 ESP32-S3 + 8 MB PSRam
Network WiFi only WiFi + Ethernet
State persistence None Always persisted
Motion control Trapezoid Trapezoid + S-curve acceleration
G-codes GRBL compatible GRBL + threading, spindle sync, CSS, cutter comp
Spindles 10V, PWM, RS485, and more All of FluidNC + ODrive (CAN Bus)
Machines Routers, mills, plasma, laser All of FluidNC + lathes
Tool management Basic T/M6 Tool table, cutter comp (G41/G42), automatic tool changer
Compensation - 2D bed leveling and 1D runout correction
Extras - LED strip feedback, USB camera, and more

We support all FluidNC functionality. Use G-Code from any GRBL post-processor, the WebUI, or your favorite GRBL sender.

For lathes we have post processors available.

Get started

Pick your machine type and follow the same flow: hardware and wiring first, then config, then optional upgrades.

Routers and mills

1) Hardware and wiring

2) Config essentials

  • Motor steps, direction, and axis travel
  • Spindle control (RS485 or 0-10V)
  • S-curve acceleration for smoother finishes

3) Optional upgrades

Lathes

New to CNC lathes? Start with our lathe conversion checklist.

1) Hardware and wiring

2) Config essentials

3) Optional upgrades

Lasers

1) Hardware and wiring

2) Config essentials

  • Motor steps, direction, and axis travel
  • Laser output mode and PWM behavior
  • Safe startup state and interlocks

3) Optional upgrades

What's included

FluidBoard CNC Controller

€125

excl. VAT · ships from the EU

  • FluidBoard controller, ready to connect
  • 2 years of hardware and firmware support
  • Free firmware updates
  • Access to FluidWeb interface
  • Full FluidNC compatibility

Buy now

Ready to take control?

Get the FluidBoard and start building with a controller that's designed for the way you work.

Buy now View FluidBoard specs

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