Home / Forum / Getting Started / Why a resitor?

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  • Profile photo of CesarCesar
    Post count: 14
    #12225 |

    I am not sure i fully understand why do I need a resistor for my ramps if I am using only the cnc and not the 3d printing ext ruder??
    what can i expect if i leave this out:

    Profile photo of vicious1vicious1
    Post count: 2669
    #12244 |

    I have left the code in for 3D printer use. The firmware looks for a minimum temp as a safety check. You can edit the firmware to get rid of it, but really a resistor is really easy and you can throw a resistor on the machine somewhere to monitor temps.

    If you leave it off without editing the firmware, your machine will not move.

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