Issue Flashing Marlin on Mega 2560

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This topic contains 5 replies, has 3 voices, and was last updated by  Daniel Dunn 2 months ago.

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  • #49324

    Daniel Dunn
    Participant

    I was successfully able to flash Marlin onto my Arduino Mega 2560 R3 with the Ramps board. However, now when I plug it in via USB it no longer recognizes it on what was previously COM3. Any ideas for what may have happened?

    #49328

    Barry
    Participant

    Your computer sees it as a new board, so it has a new com port.  Check your device manager and you’ll see which one it is now.

    #49329

    Daniel Dunn
    Participant

    After I successfully flashed it, I connected the 12v 5amp power supply to it. Now Windows won’t recognize it as being plugged in at all. Did I potentially fry the Arduino?

    #49330

    Daniel Dunn
    Participant

    Update: I got tired of futzing around with it and ordered a miniRambo from the shop. If anyone would like a potentially broken Arduino and a (hopefully) still working Ramps board with drivers, let me know.

    #49617

    Bill
    Participant
    After I successfully flashed it, I connected the 12v 5amp power supply to it. Now Windows won’t recognize it as being plugged in at all. Did I potentially fry the Arduino?

    The 12V supply connects to the RAMPS, not to the Arduino. The Arduino only likes the USB power or a (9V maybe?) plug in supply. 12V will do nasty things…

    #49700

    Daniel Dunn
    Participant

    Sorry, I should have been more clear. I connected the 12v adapter to the RAMPS board and had a USB connected to the Arduino. Now none of my machines will recognize it as being plugged in. Though, I am getting power across the potentiometers, so maybe my RAMPS board is fine.

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