ch340g-ch34g-ch34x-mac-os-x-driver

Latest macOS Sierra-compatible driver for devices using the CH340G, CH34G or CH34X chipset. This chipset is used in several Arduino-compatible clones and serial-to-USB cables.

Introduction

Version 1.3 (2016-09-27) of the OEM driver for the CH34x chipset currently causes a kernel panic (a.k.a. crash) when installed on macOS Sierra. To resolve this issue, please download and install the driver in this repo.

Installation

• Remove the old driver by issuing one of the following commands (depending on your installation):
  • sudo rm -rf /System/Library/Extensions/usb.kext
  • sudo rm -rf /Library/Extensions/usbserial.kext
• Restart your Mac.
• Double-click on the CH34x_Install_V1.3.pkg file.
• Restart your Mac.
• Plug in your device. It should now be listed under the /dev directory. Examples:
• /dev/cu.wchusbserial1410
• /dev/cu.wchusbserial1420

Installation with Homebrew-Cask

• Install the driver by the following commands:
  • brew tap mengbo/ch340g-ch34g-ch34x-mac-os-x-driver https://github.com/mengbo/ch340g-ch34g-ch34x-mac-os-x-driver
  • brew cask install wch-ch34x-usb-serial-driver

Troubleshooting

If, and only if, the device is not recognized after the installation (or you cannot install the driver), please disable System Integrity Protection:

• Reboot your Mac into Recovery Mode by restarting your computer and holding down Command+R until the Apple logo appears on screen.
• Open the Terminal (Applications > Utilities > Terminal).
• In the Terminal window, type in csrutil enable --without kext (or to fully disable: csrutil disable) and press Enter.
• Restart your Mac.

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Regards,
Adrian Mihalko
www.mihalko.eu

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