ch340 driver

ch340 driveris a kind ofUSB to serial portA kind of driver, the chip is ch340 can be used.The ch340 driver can help you solve the problem of missing computerVarious problems caused by incorrect ch340 driver or installation.Huajun Software Park provides you withch340 driverFree download!

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ch340 driver

Tutorial on how to install and use CH340 under WIN10 system

​​ 1. First, download the USB of CH340 through the browserdriver, after downloading, click the "SETUP.exe" option, as shown in the figure;

​​ 2. After clicking, the interface in the picture will pop up, and click the "Install" control, as shown in the picture;

3. Wait for a moment. If the installation is successful, the interface in the picture will pop up. Click OK, as shown in the picture;

​​ 4. Connect our development board to the computer, as shown in the picture;

5. When you connect for the first time, it will show that the installation is in progress. Wait for a moment and the installation will be completed, as shown in the figure;

​​ 6. We can view our USB in the port option of "Device Manager" as shown in the figure.

How to check whether the CH340 driver is installed successfully?

​​ 1. Connect the computer to the microcontroller through a USB cable to ensureMicrocontrollerIn normal working order.

​​ 2. Select this computer, right-click and select Properties

3. Choicedevice manager.

4. Select the port (COM and LPT)

5. When you see USB-SERIAL CH340 (COM3), it proves that the CH340 driver has been installed successfully.

ch340 driver FAQ

​​​1.What should I do if the CH340 driver installation fails?

Most win7 operating system users encountered the problem of installation failure when they first tried to install the CH340 driver. Most of the CH340 drivers currently circulating on the Internet are just a separate installation program, and users rely on running this installation program to install it indirectly. . The failure to pop up means that our operating system cannot install the CH340 driver normally.

​​​2.Solution to CH340 driver installation failure

During the actual operation, I found that there are two reasons for the failure of CH340 driver installation. First, there is a previously installed driver version in our win7 operating system that has not been uninstalled. Second, there is an error in the CH340 driver version. This serial port signal conversion There are several types of chips. You must find a driver of the same type as your own chip to install the driver correctly.

ch340 driver update log:

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