If you are reading the Lightburn forums, you probably already have a laser cutter of some kind. But, if you are like most of us, you can always be tempted into another “deal.” [Dkj4linux] has a post ...

[Paul de Groot] wrote in to let us know about a drop-in controller replacement he designed for those economical K40 laser engravers that are everywhere on eBay. With the replacement controller, ...