DIY Arduino based CNC laser engraver from DVD drive

My Patreon - https://www.patreon.com/howtodo Hello! In this video I'm making laser engraver CNC machine from two old DVD drives and Arduino nano More information in the instructables: https://www.instructables.com/id/Arduino-CNC-Laser-Enrgaver-From-DVD-Drive/ Buy an engraver on Ali: http://ali.pub/1rri84 OR on Amazon: http://amzn.to/2x2deBy Arduino nano on Ali: http://ali.pub/1r4w1d OR on Amazon: http://amzn.to/2xLTQbE A4988 step motor drivers on Ali: http://ali.pub/1r4w4h OR on Amazon: http://amzn.to/2zfpUGd IRFZ44N on Ali: http://ali.pub/1rievf OR on Amazon: http://amzn.to/2zfHdqA Laser 405nm 500mw on Ali: http://ali.pub/1r4w95 OR on Amazon: http://amzn.to/2gMWurZ Laser 445nm 500mw on Ali: http://ali.pub/1r4wdm OR on Amazon: http://amzn.to/2yuRBx2 Laser 650nm 150mw on Ali: http://ali.pub/1r4wl7 OR on Amazon: http://amzn.to/2yvWTZf Firmware GRBL - https://github.com/gnea/grbl Laser engraving software - http://lasergrbl.com/en/ 3D models - https://www.thingiverse.com/thing:2492910 Despite the fact that my English is almost perfect, maybe you could notice a small Eastern European accent, it's because I'm Russian, and answering the question "why don't you make videos in both languages?" I actually do, and my Russian channel is here - https://www.youtube.com/user/shhitov (the videos are the same, so for English-speaking viewers it makes no sense to subscribe)