Laser, Workshop LightBurn Compatible LX2b Enhanced C02 Laser Controller Board LightBurn Compatible K40 Upgrade Board [LX2b] VMS, Velocitronics Motion Systems December 17, 2025 smarc Lightburn Compatible LX2b Laser Controller 2 axis A4988 K40 Upgrade Source: LightBurn Compatible LX2b Enhanced C02 Laser Controller Board LightBurn Compatible K40 Upgrade Board [LX2b] – $117.00 : VMS, Velocitronics Motion Systems