2 Power Supplies Necessary?

New Home Forum Mostly Printed CNC – MPCNC Troubleshooting – MPCNC 2 Power Supplies Necessary?

This topic contains 3 replies, has 2 voices, and was last updated by  Ryan 1 year, 11 months ago.

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  • #3983

    hoth
    Participant

    The parts list calls for a power supply available from Amazon – power brick style. It has a plug that looks like it fits the Arduino Mega.

    I would think that the RAMPS board would need a separate power supply to drive the motors, but I don’t see that listed as a part. Or does the one power supply feed both the Arduino and RAMPS boards?

    #3992

    Ryan
    Keymaster

    Nope 5A is enough for everything and an extruder. You only need more power for a heated bed.

    #3994

    hoth
    Participant

    So the Arduino passes power through to the RAMPS board? That’s cool.

    #3996

    Ryan
    Keymaster

    The other way, ramps passes some through to the arduino. The ramps is capable of using 2 power supplies as well, so it is an easy upgrade with no wasted money.

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