SKU: 64668324190

LightBurn Compatible Motherboard Upgrade for Desktop 40W Laser Engraver Cutting Machine

Sale price$179.99 Regular price$199.99
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Description

LightBurn Compatible Motherboard Upgrade for Desktop 40W Laser Engraver Cutting MachineK40 BOARD UPGRADE Download The Manual K40 LIGHTBURN COMPATIBLE: This upgraded K40 motherboard makes LightBurn work with your K40 laser engraver. The 24V K40+ control board is packed with cutting edge features to bring new capabilities to your 40W laser engraving machine. COMPATIBLE LASER ENGRAVERS: This K40 motherboard upgrade is compatible with all OMTech 40W Desktop Laser Engraving Machines. For other laser brands or custom builds, you will need a

K40 BOARD UPGRADE

Download The Manual

  • K40 LIGHTBURN COMPATIBLE: This upgraded K40 motherboard makes LightBurn work with your K40 laser engraver. The 24V K40+ control board is packed with cutting-edge features to bring new capabilities to your 40W laser engraving machine.

  • COMPATIBLE LASER ENGRAVERS: This K40 motherboard upgrade is compatible with all OMTech 40W Desktop Laser Engraving Machines. For other laser brands or custom builds, you will need a type B USB cable to connect your control computer. Also check the specifications section below to ensure pin compatibility.
  • SUPERIOR FUNCTIONALITY: This circuit board's open source Smoothie firmware comes preinstalled and preflashed on its 512MB MicroSD card, able to work with your Windows, Linux, or MacOS edition of LightBurn to create breathtakingly intricate photorealistic grayscale images as quickly and easily as standard patterns.

  • WARRANTY: No need to worry! This 40W laser machine motherboard includes a 1-year parts warranty.

Upgrade Your K40 Laser Engraver

Get more out of your K40 40W laser engraving machine with OMTech Laser's LightBurn-compatible control board! 

Purpose-built for 20W, 30W, and 40W desktop laser engravers, this circuit board comes preflashed with open source Smoothie firmware and additional signal ports that work just as well with most CNC routers. The ports handle our machines' default stepper motors and axis limits while providing support for even stronger add-on motors and vent fans if needed.

Further, this 24V logic board has dedicated ports that direct your laser head along its X and Y axes while recognizing their limit switches. This K40 upgrade also enables autofocusing, U-axis spinning for rotary axes, additional connections for add-on stepper motors, a 5V power feed, and nine 5V input/output signaling ports to handle pressurized air assists, external venting fans, and other laser engraving accessories.

Most importantly, this customized smoothieboard will allow your K40 box to work with LightBurn laser software running on any current and common operating system—Windows, Linux, or MacOS—so you can do precision grayscale work with any K40 laser cutter.

Upgrade your DIY laser engraver with the OMTech K40+ motherboard today!

Specifications:

Model: K40+

CPU Type: 32-Bit ARM Cortex-M3

Dimensions: 3.8 x 2.8 x 0.5 in. (9.8x7.3x1.2 cm)

Voltage: 24V DC

Input/Output Signals: 5V DC

Max. Frequency: 120MHz

Included Firmware: Smoothieware

Supported Software: LightBurn

Operating Temperature: 14 to 104°F (-10 to 40°C)

Net Weight: 1.7 oz. (48 g)

Warranty: 1 Year

Package Includes:

1 x K40+ Laser Engraver & CNC Motherboard

1 x 512MB MicroSD Card

1 x Instruction Manual

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 64668324190

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Doglady
Pawtucket, US
★★★★★ 4
Fun Toy
Color: No Stuffing Blue Eel, Color: No Stuffing Blue Eel
My dog loves this toy. It has 2 squeaky & also has crinkly sound along with the slots for treats. However it is not very durable. The treat slots were pretty much destroyed with the first use. I'm still giving it a 4 star because it is so fun & entertaining for my GSD.
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Reviewed in the United States on November 30, 2024
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DriftChick
Draper, US
★★★★★ 3
Kept puppy interested!... Till she chewed it apart in 5 minutes
Color: No Stuffing Blue Eel, Color: No Stuffing Blue Eel
I'll start off by saying this is a really unique toy. You really can hide treats in the pocket and the velcro is strong enough to roll it up that it won't come undone easily. The different textures and sounds interest my puppy! And she LOVES it! But it didn't last long with her. She LOVES rope toys and ripping them apart and eating it. I literally had just given it to her and not even a minute later (not joking), she had torn off a row of the rope-like part. 5 minutes later, the tail is already in shambles lol So long story short, great and interesting toy to keep the doggy from being bored. Maybe not so great for aggressive chewers/rippers in the long term. More than likely will be torn to shreds by the end of the day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 26, 2025
A
Verified Purchase
Aubrey D Frank
Bozeman, US
★★★★★ 5
Great quality, fun design.
Color: No Stuffing Blue Eel
Wonderfully durable.. We have a 3 y/o australian kelpey and a 2 y/o pitty.. both are incredibly playful and tear up toys like nobody's business. A lot of the time under a day.. We're on day three with this eel, they love it and its holding firm (no tears or missing pieces). Squeakers are their favorite and these ones are perfect ( prominent but not too loud)
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Reviewed in the United States on March 23, 2026
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Lindsey Adams
Massapequa, US
★★★★★ 5
Sturdy
Color: No Stuffing Blue Eel
It’s has held up pretty good for my aggressive chewer dog. She typically tore these types of toys apart immediately. One of the ears she pulled off right away but the toy itself has stayed intakes (so far). It keeps her occupied long enough and she drags it everywhere with her.
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Reviewed in the United States on April 16, 2026
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Gail T. Clark
Omaha, US
★★★★★ 4
size is small
Color: No Stuffing Blue Eel
Smaller than I anticipated but my dog enjoys it. After 3 days it is already getting ripped a little bit where the treats get hidden so not sure how long it will last. My dog is about 40 lbs.
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Reviewed in the United States on January 15, 2026

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