Installing Driver for CH340
The CH340 chip is used by a number of Arduino compatible boards to provide USB connectivity
Download latest version of CH340/341 driver
Try downloading from any one of the link above.
- 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.
Or you can also try as below:
Open Device Manager – right mouse click USB2.0-Serial, then left click Update Driver Software
open the directory with downloaded & extracted CH341SER.zip driver
This will install required driver.