Building a DIY portable Laser Engraver

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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.

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https://www.instagram.com/daz.project...


here are some useful links:

- 3D models:
https://www.thingiverse.com/thing:541...

- PCB design:
https://drive.google.com/file/d/11vcV...

- parts list:
https://docs.google.com/document/d/1t...

- 28byj48 bipolar mod:
https://ardufocus.com/howto/28byj-48-...