This older version requires some hacking in order to get it to work. Note: Please enter System Preferences ➜ Security & Privacy ➜ General, below the title "Allow apps downloaded from:" you should choose the choice 2 ➜ "Mac App Store and identified developers" so that our driver will work normally. If the steps upper don’t work at all, please try to install the package again. Open ‘System Report’->Hardware->USB, on the right side “USB Device Tree” there will be device named “Vendor-Specific Device” and check if the Current is normal.Open terminal and type ‘ls /dev/tty*’ ande see is there device like tty.wchusbserial.If you can’t find the serial port then you can follow the steps below:
Installation Process: * Extract the contents of the zip file to a local installation directory * Double-click CH34x_Install.pkg * Install according to the installation on procedure * Restart after finishing installingĪfter the installation is completed, you will find serial device in the device list(/dev/tty.wchusbserial*), and you can access it by serial tools. Inside the driver is a brief README with the following instructions:ĬH34X USB-SERIAL DRIVER INSTALLATION INSTRUCTIONS Version: V1.0 Copyright (C) Jiangsu Qinheng Co., Ltd. Thanks to Björn's Techblog for posting the driver.
The updated and patched Sierra Mac Driver can be downloaded here - CH34x_Install_V1.3.zip (174 Kb).Thankfully, Adrian Mihalko patched the driver, and made it available to the public. The Version 1.3 of the driver available on the vendor's website causes a crash on Mac OS-X Sierra.
Here is the updated CH341SER_MAC.ZIP (148KB) cached locally, but for other platforms, please checkout their website. Looks like the updated version from their site works now as is. Please leave a comment, if it worked or didn't work for you, especially if you had to do anything special or hacky to make it work :) WindowsĪ fully signed drivers for Windows can be found below: To be honest, as long as I can talk to my Arduino and buy it for $3 a piece, who cares? :)īelow you'll find links to drivers for both Windows and Mac to make these work.
I read somewhere that licensing costs of FTDI make it prohibitive to companies selling boards for as little as $3, so I assume this is the main motivation. Recent versions of cheap Chinese clones of Arduino boardshave been coming with a different USB/Serial chip, which replaces the usual FTDI.
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