wch-ch34x-usb-serial-driver ☆
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Description:
USB serial driver
Type: Cask  |  Latest Version: 2.0@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  formulae.brew.sh
Category: System utilities
Tags: driver usb serial ch340 hardware arduino
Install: brew install --cask wch-ch34x-usb-serial-driver
About:
This package provides the official USB-to-serial driver for a wide range of WCH chips, including the popular CH340 and CH341. It enables macOS systems to recognize and communicate with devices using these ICs over a virtual COM port. This is essential for programming Arduino boards, ESP32 modules, and other embedded hardware that rely on WCH adapters for serial communication.
Key Features:
  • Supports a broad family of WCH chips (CH340/341/342/343/344/9101/9102/9103/9143)
  • Creates a standard virtual serial port (COM port) for seamless application compatibility
  • Provides kernel-level extensions for stable and reliable data transfer
  • Includes support for common baud rates and hardware flow control
Use Cases:
  • Connecting to Arduino, ESP32, or other microcontroller boards that use a CH340/CH341 USB-to-serial chip
  • Interfacing with custom electronics, sensors, or modules that feature a WCH serial interface
  • Providing a reliable serial connection for firmware updates or debugging on embedded devices
Alternatives:
  • CP210x VCP Driver – Driver for Silicon Labs CP210x chips, another common alternative to CH34x for USB-to-serial conversion.
  • FTDI D2XX Driver – Driver for FTDI chips, often considered the industry standard but used by different hardware.
Version History
Detected Version Rev Change Commit
Dec 24, 2023 9:24am 1.8 0 VERSION_BUMP 9c677338
Apr 16, 2023 7:30am 1.8 0 NEW 4cac845a
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