CH340 IC is a low cost USB to TTL converter IC. CH340g ICis used in low cost SMD Arduino UNO & Arduino Nano boards. Many USB to Serial converter IC’s are available in the market but this is a low cost IC that is gaining popularity. USB to TTL converter modules are also available based on this IC. Even Node MCU IOT modules also have this IC.
You can download the Drivers for CH340g from below
Download CH340g Driver for windows 7, 8 and windows 10
Latest macOS Sierra-compatible driver for devices using the CH340G, CH34G or CH34X chipset. This chipset is used in several Arduino-clones. 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 check to see if the CH340 driver is in the correct path, use the following command to list the contents of the folder. Language:bash ls To look for CH340 driver files (i.e. Usb.kext or usbserial.kext) in the path, you could use the following command. Language:bash ls grep usb. Sep 17, 2019 For High Sierra. Run the package installer for CH340 V1.4 and reboot. Check with your Arduino IDE, the result is no serial port for your Nano. Go to Preferences/Security Pane, you will see that your Mac is blocking content being uploaded. Unlock with your password and Click 'Allow'.
I have personally tested the above CH340 driver on windows 7 and it worked with the Arduino Nano, Node MCU and Arduino UNO clones.
Ch340 Driver Mac Sierra
Step By Step Installation of CH340g Drivers
Initially connect your hardware having CH340 USB to Serial IC to your PC. In the device manager it will show “USB2.0-Serial” (as shown in below figure) which means your ch340 driver has not been installed.
Now extract the CH340g drivers in a folder and in that you will find folder named “CH341SER” in which there will be a “setup” application file as shown below.
Open the setup file and a “Driver Setup” option will open. Just click on the install file.
This installation takes some time. In my laptop it took 1 minute so just have patience. Once installed it will show driver successfully installed. Now go again back to device manager and there you will see that the driver has been successfully been installed and a com port has been allotted. In below image you can see that “com19” has been allotted for ch340g IC in my laptop
![Macos Macos](/uploads/1/2/6/0/126087100/492005473.jpg)
Drivers for the ch340 IC has now been installed successfully. I have tested this drivers and installation process in Windows XP, windows 7. Will test is soon on Windows 8 & windows 10.
Ch340 Driver Mac
You can see in above image that Port Number 19 has been allocated to this IC. If you want you can even change the virtual com port number from Device Manager.
For MAC users you can check CH340 Installation Guide for MAC users
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Latest macOS Sierra-compatible driver for devices using the CH340G, CH34G or CH34X chipset. This chipset is used in several Arduino-clones.
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.
![Download Download](https://static.filehorse.com/screenshots/video-software/videopad-video-editor-screenshot-04.png)
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
![Driver Driver](/uploads/1/2/6/0/126087100/242187376.jpeg)
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 pressEnter
. - Restart your Mac.
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Regards,
Adrian Mihalko
www.mihalko.eu
Adrian Mihalko
www.mihalko.eu
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