Adding laser with different power supply - Motors, Mechanics, Power and CNC - Arduino Forum
CNC 3 Axis Control Board Version 4.0 GRBL Support 2P/3P Laser PWM TTL for Engraving Machine - Free Shipping - ThanksBuyer
3-Axis 32-bit ARM Based CNC Controller,GRBL 1.1F USB Port CNC Engraving Machine Control Board with Fan Cooling,Support 500W Spindle/NEMA23 Stepper Motor/Laser (A4988+Fan) - - Amazon.com