Building a DIY portable Laser Engraver

check out PCBWay and get a $5 discount for your first high-quality PCBs: In this video, we will build a super portable and precise Arduino-powered laser engraver. We will explore a new and unusual way of building these DIY machines by using rotational axis instead of linear ones, achieving great precision and unlimited range in a surprisingly small package that can be powered simply from a power bank and controlled wirelessly using a smartphone. here are some useful links: - 3D models: :5416065 - PCB design: - parts list: - 28byj48 bipolar mod: