I got a k40, unfortunately it came with the M2 board which is pretty locked to what is possible. I am looking to upgrade my board first but need to make sude it is the correct one that will work with Lightburn software.
I think this board seems to fit in but would like to have some confirmation. https://www.amazon.co.uk/SainSmart-3-Axis-Controller-Engraver-Control/dp/B07BMSH49Y/ref=sr_1_10?crid=21RZVTCXY1BTP&dchild=1&keywords=mini%2Bgerbil%2B2%2Baxis%2Bcontroller%2Bfor%2Bk40%2Blaser%2Bcutter&qid=1614453281&sprefix=mini%2Bgerbil%2B%2Caps%2C165&sr=8-10&th=1
This is the link to it.
Please let me know