CH341SER 3.10

CH341SER by WCH

CH341SER is the official Windows driver package from WCH (Nanjing Qinheng Microelectronics) for the CH340/CH341 family of USB-to-UART bridge chips. It installs a virtual COM port so that USB-connected devices using these chips appear to software as standard serial (COM) ports. It’s commonly used with development boards, USB-to-serial adapters, 3D printers, and other embedded hardware.

Key features:

• Virtual COM Port (VCP) support for CH340/CH341 devices
• Works with common baud rates and standard serial control signals (e.g., RTS/CTS, DTR/DSR)
• 32-bit and 64-bit Windows support (Windows 7–11; administrator rights required)
• Digitally signed driver with automatic device recognition
• Simple installer (CH341SER.EXE); integrates with Device Manager

Basic use:

• Run the installer, then connect your CH340/CH341-based device. A new COM port will appear in Device Manager, ready for use in terminal programs, IDEs, and other serial tools.

Notes:

• Many Linux distributions and macOS versions include built-in support for CH34x devices; CH341SER is primarily for Windows.
• For security and compatibility, download the driver from WCH’s official website.

CH341SER is developed by WCH and is used by 45 users of Software Informer. The most popular version of this product among our users is 3.1. The name of the program executable file is CH341SER.exe.

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