Try this, it worked for me! Download the zip package, rather than the pkg standalone file. For High Sierra. Run the package installer for CH340 V1.4 and reboot. This describes how to install the driver for macOS Catalina (macOS 10.15) and perform troubleshooting. For information on individual products, check the listings in Readme.htm in the download file. Installing the Driver Checking the Installed Status of the Driver. Install Wch USB serial driver for CH340/CH341 on Mac OSX. June 23, 2017 Amber. You can now use Wch USB serial driver for CH340/CH341. Similar Software for Mac.

Ch340 Driver For Mac Catalina Download
Linux Ch340 Driver
Ch340 Driver For Mac Catalina Os

CH340 is very cheap, and some people seem to have problems with the drivers, especially on MacOS. CP2012 CP2102 seems to be more reliable - I haven't seen many people reporting problems anyway. If the difference in price isn't too much it's probably sensible to go with CP2012 CP2102. Ch340 Driver Mac Os Catalina By dutningdeathbgast1988 Follow The CH340 chip is used by a number of Arduino compatible boards to provide USB connectivity, you may need to install a driver, don’t panic, it’s easier than falling off a log, and much less painful.

The CH340 chip is used by a number of Arduino compatible boards to provide USB connectivity, you may need to install a driver, don’t panic, it’s easier than falling off a log, and much less painful.

Ch340 Driver For Mac Catalina Download

Windows

(Manufacturer’s Chinese Info Link)

Download the Windows CH340 Driver
Unzip the file
Run the installer which you unzipped
In the Arduino IDE when the CH340 is connected you will see a COM Port in the Tools > Serial Port menu, the COM number for your device may vary depending on your system.

Older Windows Driver Version and Instructions

~~Download the Windows CH340 Driver~~
~~Unzip the folder.~~
If you are running a 64Bit Windows: – run the SETUP_64.EXE installer.
If you are running a 32Bit Windows: – run the SETUP_32.EXE installer.
~~If you don’t know, try the 64 bit and if it doesn’t work, the 32 bit.~~
~~In the Arduino IDE when the CH340 is connected you will see a COM Port in the Tools > Serial Port menu, the COM number for your device may vary depending on your system.~~

Macintosh

(Manufacturer’s Chinese Info Link)

The following github has up to day pkg files for 1.3, 1.4 and 1.5 at time of writing, thanks to Joshua Wallis for bringing this to my attention…

Direct Download Links (from the github repo above):

See the github link above for installation instructions if you need them.

Previous macinstosh downloads if the above doesn’t work for you…

~~(V1.3) Download the CH340 Macintosh Signed Driver for Mavericks (10.9), Yosemite (10.10) and El Capitan (10.11) and Sierra (10.12)~~

~~Inside the zip file you will find a PDF and a “pkg” file, short version, double click the pkg file, the PDF has some extra information.~~

~~OSX Sierra (10.12) Note~~

~~A kindly user, Maarten Segers reports~~

~~FYI, the driver documented here WILL crash on OSX Sierra.~~

~~Make sure to use this one instead: https://github.com/MPParsley/ch340g-ch34g-ch34x-mac-os-x-driver~~

~~I can personally not test on MacOS and can not vouch for the above drivers at github, but there you go.~~

~~See uninstalling information at the bottom of the page if the driver causes problems for you.~~

~~Here is an older version of the Mac driver, NOT FOR 10.12 Sierra~~

~~(V1.0) Download the CH340 Macintosh Signed Driver for Mavericks (10.9), Yosemite (10.10) and El Capitan (10.11)~~

Linux

(Manufacturer’s Chinese Info Link)

Drivers are almost certainly built into your Linux kernel already and it will probably just work as soon as you plug it in. If not you can download the Linux CH340 Driver (but I’d recommend just upgrading your Linux install so that you get the “built in” one).

Uninstalling From Macinstosh

A couple of Mac users have said “the driver crashes my mac Sierra how do I uninstall”.

Firstly regards the crash make sure you installed the 1.3 version of the driver, not the old one. You could download it directly from the Manufacturers Website in case they have issued an update since I wrote this page.

Secondly a quick google search reveals that this is how you uninstall:

Open a terminal and type: cd /Library/Extensions/
Verify that the .kext file is present: ls | grep usbserial.kext
Output should be: usbserial.kext
Then type: sudo rm -R usbserial.kext
Verify that the .kext file has been removed: ls | grep usbserial.kext
Output should be empty.
After you should remove the files stored in receipts folder: cd /private/var/db/receipts/
Find the enties: ls | grep usbserial*
Output should be: codebender.cc.ch34xinstaller.usbserial.pkg.bom codebender.cc.ch34xinstaller.usbserial.pkg.plist
Remove each one of the files of the above list: sudo rm -r filename`

Linux Ch340 Driver

NanoVNA-Saver 0.1.3 MAC

Ch340 Driver For Mac Catalina Os

#5286

Colin, which version of macOS and how did you set up the USB ports?
Tried it here with Catalina but some problem finding the device on the USB…
Dana VE3DS

toggle quoted messageShow quoted text

On Oct 19, 2019, at 20:11, zl2arl <colin.larsen@gmail.com> wrote:
I've just done the MacOS install, went smoothly, all I had to do was adjust
the font size up a bit ;)
On Sun, 20 Oct 2019, 12:49 W5DXP, <w5dxp@arrl.net> wrote:

That sure does help, Rune. I was using it on my mobile system and my wifi
doesn't reach that far. It would have never occurred to me that Saver
needed the internet. Thanks very much. Do you have any idea how fast one
has to be to get that screen-capture while Saver is shutting down?
Displaying that screen for longer than one millisecond would help. :)

#5352

Hello Dana,
I have been running most of the recent releases of NanoVNA-Saver on my iMac under Mojave 10.14.6. I declined the upgrade to Catalina because several of my expensive software purchases would no longer work. The procedure I use is to plug the NanoVNA into my MAC, turn on the NanoVNA and then launch the Saver program V0.1.3. When the screen paints the USB port is already properly identified and I simply select 'Connect to nanoVNA'. It all works perfectly and has for every release of Saver that I tried starting back at about V0.0.6.
Again, this is all under Mojave, not Catalina. If you find the correct incantation for Catalina please let us all know.
Good luck,
Larry, AE5CZ

#5353

Hmmm, Larry, so it may be a Catalina issue as it doesn’t find the usb…
I’ll try it on Mojave and see if that works…thanks for the comments.
Oh by the way what version of Python are you using??
Dana Ve3DS

toggle quoted messageShow quoted text

On Oct 20, 2019, at 13:41, Larry Goga <lgoga@swcp.com> wrote:
Hello Dana,
I have been running most of the recent releases of NanoVNA-Saver on my iMac under Mojave 10.14.6. I declined the upgrade to Catalina because several of my expensive software purchases would no longer work. The procedure I use is to plug the NanoVNA into my MAC, turn on the NanoVNA and then launch the Saver program V0.1.3. When the screen paints the USB port is already properly ident