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

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