Arduino Clone CH341 Drivers

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Revision as of 17:35, 2 June 2016 by Andy (talk | contribs) (Mac installer and instructions:)
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Windows Installer and instructions:

Or browse to our file server:

\\steamserver\software\Arduino\Uno clone\CH341SER_Windows\Setup.exe

Mac installer and instructions:

Note that this installation process involves configuring your mac to allow this unsigned driver to be installed. It also does not work with OS X 10.11 El Capitan. See workaround link below.

  1. Download Driver Files for your OS
  2. Install software but don’t restart yet.
  3. Launch Terminal and copy paste this:
    sudo nvram boot-args="kext-dev-mode=1"
    Note: If you copy and paste that line from the linked website instead of here, it will fail due to bad quotes in the HTML.
  4. Restart your Mac
  5. Launch Terminal and copy paste this:
    sudo ln -s /dev/tty.wch\ ch341\ USB\=\>RS232\ 1410 /dev/tty.wch
  6. Restart your Mac again

Note, this method no longer works in OSX El Capitan, as under OS X 10.11 El Capitan Apple changed the way kext signing can be disabled by introducing “System Integrity Protection” and a new cli util “csrutil”. Here is a workaround if you feel comfortable disabling this protection: