![Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn](https://m.media-amazon.com/images/I/71CmTTBu4AL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Monport 40W Co2 Laser Engraver K40 Motherboard Upgrade Controller Compatible with Lightburn for K40 Laser Engraver, Suitable for Various of K40 Upgrade Compatible with Lightburn
![Need help connecting GRBL LASER CNC Controller to old K40 laser. · Issue #740 · arkypita/LaserGRBL · GitHub Need help connecting GRBL LASER CNC Controller to old K40 laser. · Issue #740 · arkypita/LaserGRBL · GitHub](https://user-images.githubusercontent.com/42193998/65824183-8f6f3300-e219-11e9-897c-86a6531e8b2a.jpg)
Need help connecting GRBL LASER CNC Controller to old K40 laser. · Issue #740 · arkypita/LaserGRBL · GitHub
![K40 eBay Chinese CO2 Laser Cutter - Replacing the Controller with Arduino and GRBL Part 1! - YouTube K40 eBay Chinese CO2 Laser Cutter - Replacing the Controller with Arduino and GRBL Part 1! - YouTube](https://i.ytimg.com/vi/eKaSbD0x2u8/hq720.jpg?sqp=-oaymwEhCK4FEIIDSFryq4qpAxMIARUAAAAAGAElAADIQj0AgKJD&rs=AOn4CLBMgnbbJnKQXnNRV11mEvdqhQd2eg)
K40 eBay Chinese CO2 Laser Cutter - Replacing the Controller with Arduino and GRBL Part 1! - YouTube
LightBurn Compatible LX2b C02 Laser Controller Board LightBurn Compatible K40 Upgrade Board [LX2b] - $56.96 : VMS, Velocitronics Motion Systems
![Compatibility? Need help with wiring. Trying to hook up this GRBL controller to my k40 laser. : r/ChineseLaserCutters Compatibility? Need help with wiring. Trying to hook up this GRBL controller to my k40 laser. : r/ChineseLaserCutters](https://i.redd.it/k257tzfndtw71.jpg)