WCH CH34x USB Serial Driver

Nanjing Qinheng Microelectronics (WCH) · Enable compatible WCH USB-to-serial adapters as macOS virtual serial ports for electronics and console workflows.

CaskDrivers & HardwareApple silicon · Intel

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From homebrew/cask

30-day installs338#407 in App

1-year installs5.9KLast 365 days

Latest version2.1Sep 3 · Sep 3

Download size6.5MBarm64 / x86_64

Release cadenceIrregular0 releases in 30 days

Tap: homebrew/cask
Also known as: WCH USB serial driver for CH340/CH341/CH342/CH343/CH344/CH9101/CH9102/CH9103/CH9143 · wch-ch34x-usb-serial-driver
Installer packages: CH341SER_MAC/CH34xVCPDriver.pkg
Download URL: file.wch.cn/download/file?id=369
Homebrew definition: github.com/homebrew/homebrew-cask/blob/HEAD/Casks/w/wch-ch34x-usb-serial-driver.rb
formulae.brew.sh: formulae.brew.sh/cask/wch-ch34x-usb-serial-driver

Installation and removal contents

Uninstall uninstall

View full declaration

{
  "uninstall": [
    {
      "kext": [
        "cn.wch.CH34xVCPControlDriver",
        "cn.wch.CH34xVCPDriver"
      ],
      "pkgutil": "cn.wch.pkg.CH34xVCPDriver",
      "quit": "cn.wch.CH34xVCPDriver"
    }
  ]
}

Install pkg
Source file: CH341SER_MAC/CH34xVCPDriver.pkg
View full declaration
```
{
  "pkg": [
    "CH341SER_MAC/CH34xVCPDriver.pkg"
  ]
}
```

Remove user data zap

View full declaration

{
  "zap": [
    {
      "trash": [
        "~/Library/Application Scripts/cn.wch.CH34xVCPDriver",
        "~/Library/Containers/cn.wch.CH34xVCPDriver"
      ]
    }
  ]
}

Caveats

wch-ch34x-usb-serial-driver requires a kernel extension to work.
If the installation fails, retry after you enable it in:
  System Settings → Privacy & Security

For more information, refer to vendor documentation or this Apple Technical Note:
  https://developer.apple.com/library/content/technotes/tn2459/_index.html

You must reboot for the installation of wch-ch34x-usb-serial-driver to take effect.