DIY Mini CNC Laser Engraver.. - Instructables
Step 1: Parts and Materials Required.. Arduino Nano (with USB cable) 2x DVD drive stepper mechanism.. 2x A4988 stepper motor driver modules (or GRBL shield) 250mW Laser with adjustable lens (or above) 12v 2Amps power supply minimum.. 1x IRFZ44N N-CHANNEL Mosfet..