Raspberry Pi powering up Ramps

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This topic contains 9 replies, has 4 voices, and was last updated by  Jeffeb3 2 months ago.

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  • #34753

    Mike Carr
    Participant

    I am connecting the Ramps board to my Raspberry pi loaded with Octoprint, The Ramps board is powering up via the USB connector. which forces me to unplug the entire system or unplug the USB cable each time. Is it possible to send GCode’s to power on/off the RAMPs board? Or is there a way to disable the board rom powering up via USB?

    #34757

    Jeffeb3
    Participant

    There is gcode to enable/disable the motors, and there is gcode for resetting the 0,0,0 positions. You can set that gcode to a script in octoprint. Is there a reason why leaving it on is a problem? Otherwise, I think you could probably cut the 5V wire in your USB cable, or just put the whole thing on a power strip.

    #34761

    Mike Carr
    Participant

    I have everything on a powerstrip now but I would like to leave the Raspberry Pi on all the time and control the power to the CNC when needed, cutting the power to the Pi is bad for the SD Card. I believe the Mini-Rambo 1.3a has this feature, may need to upgrade.

    #34762

    Ryan
    Keymaster

    M999 resets the board

    #34763

    Ryan
    Keymaster

    To control power I am pretty sure you would need a relay. You can hardwire the reset button but not power.

    #34764

    Jeffeb3
    Participant

    I am pretty sure you can cut the 5V on the USB, and power the rambo via the 12V.

    1 user thanked author for this post.
    #34772

    Mike Carr
    Participant

    Cutting the 5v would be the cheaper route, but I do have some relays laying around.

    #34811

    David Walling
    Participant
    I am pretty sure you can cut the 5V on the USB, and power the rambo via the 12V.

    This is what I would do.

    #36048

    Mike Carr
    Participant
    I am pretty sure you can cut the 5V on the USB, and power the rambo via the 12V.

    <span class=”et_quote_sign”></span>

    This is what I would do.

    And that is what I did as well and it works great!

    #36049

    Jeffeb3
    Participant

    Did you put on a timer, and a bomb suit, and have someone on the radio tell you to “cut the blue wire… NO WAIT, the RED WIRE!”. I probably wouldn’t have, but I would tell everyone I did.

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