[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, ...
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 ...