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Upgrade Creality Ender 5 firmware for Mac

Upgrade Creality Ender 5 firmware on Mac

  1. Download latest firmware:

    Ender 5 Firmware + Source Code + SD Files + BL Touch - 2019-11-13

  2. Extract firmware

  3. Install USB Driver:

    v1.5 CH340 Mac version - CH34x_Install_V1.5.pkg

  4. Install AVRDUDE (requires brew)

    brew install avrdude

  5. Determine COMM port:

    ls /dev/tty.*

  6. Write file to board:

    avrdude -c arduino -p m1284p -P /dev/tty.wchusbserial1430 -U ~/Downloads/Ender\ 5\ Firmware_1.1.6.hex

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I am attempting to do this with a Creality CR-10 V2, but when I plug in the USB cable and check the COMM port no new device shows up. It is like nothing is connected. The same thing happens when I plug it into a windows 10 computer as well. The printer is being powered by the connection though. Is there a way to check if the driver is installed correctly?

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A possibly stooped question:
This is to let you plug the USB ISP into your Mac with the other end plugged into the Ender's motherboard, right ?
I am hoping to flash an Ender 3 Pro for a BLTouch

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