One of the largest failure points of the eBay k40 CO2 laser is the intensity control as well as one of the easiest and most productive upgrades too. As the intensity control is really noting more than 1k ohm potentiometer of low quality so we upgraded ours with higher a grade carbon film unit (see more here: https://amzn.to/2Tw0XTN ). With this upgrade we reduced the risk of future failures, improved resolution as well as added scale which we can reference to the current meter to create a recipe cheat sheet. However we bumped into to, two small issues the first being a protrusion on the potentiometer so we designed a custom shim so it sets flat and also a cover for the scale to sit into to make it asedicly look better by covering some of the graphics which now looked out of place with new scale.

Don't forget our YouTube channel here: http://YouTube.DIY3DTech.com as if you want to see what we are up to daily which you do right? Check out our regular YouTube Blog posts at: http://diy3dtech.com/blog or follow us on Instagram at https://www.instagram.com/diy3dtech/ well read our posts on tumlr here https://www.tumblr.com/blog/diy3dtech

Also, please follow us on MyMiniFactory and give this a like if this came in handy and for more information on this project, please visit us at http://www.DIY3DTech.com as well as subscribe to our YouTube Channel at http://YouTube.DIY3DTech.com along with a visit to our drone site and YouTube channel at http://video-drone.DIY3DTech.com

If you are looking for one of a kind swag shop for yourself or a Maker Geek friend, visit our swag shop at http://Swag.DIY3DTech.com for unique 3D Printing, Laser Cutting and CNC swag! Too, if you want a behind the scene look at what we are working on be sure to follow us on Instagram (https://www.instagram.com/diy3dtech/)!