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

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#11165

Leo69
Participant

I just need you to confirm that the problem is only 0 and 5v at the ramps fan pin. I want to be sure the problem is there and not with your laser driver. Did you verify with a meter that the fan pin only puts out 0 or 5v without the laser board connected?