![]() Since all of the K40 laser cutters are the same, and they’re really only a power supply and. Lightburn works perfect with this controller and you are set for advanced engravings and a better work flow than with the stock controller. The Cohesion3D board is a direct, drop-in replacement for the control board found in the K40 laser. Read the FAQ section of the forum to learn more. The Cohesion3d LaserBoard is one of the best upgrades regarding controller board for your laser machine. However, you should use a separate 24v PSU.to power the Main Power IN screw terminal on the ReMix.įinally, use the firmware and config files at the bottom of the install guide, the pins should be the same as the C3D Mini, although you may want to double check me on whether I used the Y Min or Y Max pin on the C3D Mini and config file.Īlso, DRV8825 means you will need to double the steps per mm. L goes to P2.5 bed - output, and you’ll need a ground from the Laser PSU to the board ground shared as reference for that signal. ![]() We will also assume the design and control software is LightBurn. The C3D Mini is a drop in replacement for the M2 Nano and can be installed in about 15 minutes with, in most cases, no modifications to the machine and no special tools. You need X motor, Y motor, endstops to X Min and Y Max and L and Gnd to fire the laser. From here on out we will assume that we are talking about a K40 upgraded with a Cohesion3D Mini controller. Try to follow the concepts in these instructions:Īnd there is a wiring diagram for the ReMix here: So you know, the ReMix was not the K40 drop in, that was the C3D Mini and now the LaserBoard. During its lifespan we learned that the K40 Laser Power Supply could not provide enough current to power it and that this was causing lots of dropouts and job interruptions. Originally there was the Cohesion3D Mini board. Then they bundled some no name PSU and increased the price by 50. So this is what the ReMix board I sent Scott is doing Cohesion3D's controller used to cost 150.
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