Reply To: MPCNC 2.8w $100 laser add-on complete

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Quick question. I have purchased all my laser components and will begin my mpcnc build here shortly, still finishing the 3D prints. Currently on my Prusa i3 I have a dual extruder setup which I would like to keep to make use of the larger mpcnc build volume. My concerns is when I want to use the laser on this printer. The dual extruder setup uses both D10 and D9 as the heater outputs. It would be less than ideal to have to disconnect an extruder, plug in my laser, and also reflash the firmware. Maybe I’m also missing something and overthinking this..

Now that I think about it I will not be using the heated bed so I can just adjust the firmware to show extruder, extruder, fan and use D8 for the laser instead. Correct me if I am wrong.