Remove CH340 product page URL

Page no longer exists.

Did not find any new page for the product.

Author: seaxwi

content/Software Support/Upload/If-your-sketch-doesnt-upload.md

@@ -109,7 +109,7 @@ Common upload errors often involve **dfu-util** and **avrdude** utilities. Learn
   * Ensure the [correct processor is selected](https://support.arduino.cc/hc/en-us/articles/4401874304274-Select-the-right-processor-for-Arduino-Nano).
   * You might need to [install FTDI drivers manually](https://support.arduino.cc/hc/en-us/articles/4411305694610-Install-or-update-FTDI-drivers).
 
-* **Boards with the [WCH CH340 USB chip](https://www.wch-ic.com/products/CH340.html)**: See [avrdude: ser_open(): can't set com-state for COMn](https://support.arduino.cc/hc/en-us/articles/13148652511260-avrdude-ser-open-can-t-set-com-state-for-COMn).
+* **Third-party boards with the WCH CH340 USB chips**: See [avrdude: ser_open(): can't set com-state for COMn](https://support.arduino.cc/hc/en-us/articles/13148652511260-avrdude-ser-open-can-t-set-com-state-for-COMn).
 
 [Back to top](#top)
 

content/Software Support/Upload/avrdude-ser-open-cant-set-com-state-for-COMn.md

@@ -3,7 +3,7 @@ title: "avrdude: ser_open(): can't set com-state for COMn"
 id: 13148652511260
 ---
 
-An "`avrdude: ser_open(): can't set com-state for COMn`" error can occur when uploading to the boards that use specific batches of the [WCH CH340 USB chip](https://www.wch-ic.com/products/CH340.html). The problem only occurs when using the latest version of the CH340 driver, and can be solved by installing a previous release.
+An "`avrdude: ser_open(): can't set com-state for COMn`" error can occur when uploading to Arduino-compatible boards that use specific batches of the **WCH CH340 USB chip**. The problem only occurs when using the latest version of the CH340 driver, and can be solved by installing a previous release.
 
 ---