Stepcraft 3.5W Laser Mount

3.5W Laser https://www.ebay.com/itm/3500mW-450nm-445n-Focusable-Blue-Laser-Module-Head-Engraving-Machine-TTL-/312004126813?hash=item48a4e5285d

Information on how to connect.
https://jtechphotonics.com/?page_id=3905
https://jtechphotonics.com/?p=3851
https://steemit.com/cnc/@almvide/cnc-adventures-part-2-laser-on-the-stepcraft-840
https://www.stepcraft-systems.com/images/SC-Service/Anleitungen-EN/EN_Operating-and-safety-instructions-DL445-v2.pdf