C3D board with a 'new upgraded' K40

Hello and thanks for the support site!

Ebay has the ‘Upgraded’ K40 Lasers and none of the old style with the analog meter on it. Will the C3D board drop into this machine? If so what will need to control the laser power as the ‘updated’ models are digital with LCD displays. I have no problem installing switches and a meter and I am already looking at 3d printed panels online.

Thanks and any other info concerning the C3D and the ‘upgraded’ digital K40’s would be appreciated.


Hi Steve,

Welcome to the forum!

Please review the Compatibility tab on the LaserBoard product page to see if the controller matches.

We also recommend reading our Buyer’s Guide to understand what you will need.

For more info about analog vs digital panel and also the link to PWM Tuning: https://cohesion3d.com/knowledgebase/cohesion3d-pwm-control-and-potentiometer-vs-digital-panel/

How to connect an mA meter: https://cohesion3d.com/knowledgebase/how-to-connect-an-ma-meter/

Let us know if you have any other questions.

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.