Overview
The CH340 is a chip that converts USB signals into serial communication which can be understood by microcontrollers, sensors, and other serial devices.
In the next chapters, we will be going over the instructions on how to install the driver for the CH340 for all platforms
Windows
Follow the steps below:
1. Download the drivers here.
2. Open the downloaded file CH34x_Install_Windows_v3_4.EXE
3. Follow the installation instructions
4. After the installation, it is recommended to restart the computer.
5. Done!
Checking the properly installed drivers can be done in the Device Manager (right click on My Computer, then Properties, and Device Manager). Under Ports (COM &LPT) check if you have something similar to the image below.
MacOS
- Download the drivers here.
- If you use any version of MacOs other than Sierra – install the version v1.3 named CH34x_Install_V1.3.pkg. If you use MacOS Sierra, install the version v1.4 named CH34x_Install_V1.4.pkg.
- Follow the installation instructions.
- If you do not get a "Success!" message after installation completes, go to Settings->General->Extensions->Driver Extensions and enable the WCH CH340 driver
- Restart the computer.
- You are ready to use it!
Linux
Linux, as usual, already comes with drivers for the CH340. Just plug the device into your Linux computer and you are ready to use it.
You can check this by entering the command “ls dev/tty.USB*” in the Terminal, where the line “dev/tty.USB0” should appear, as in the image below.
