CH9329 UART to USB Converter Module

The CH9329 UART-to-USB converter module is a compact, high-performance serial-to-USB adapter designed for seamless connectivity between serial devices and USB hosts. Supporting baud rates from 300 bps to 3 Mbps and multiple data formats including 8N1, this module delivers flexible, stable data transmission for a wide range of applications — from embedded development and data acquisition to industrial control and robotics.

Key Features

Wide Baud Rate Support: Handles standard rates from 300 bps up to 3 Mbps, ensuring compatibility with virtually any serial device.
Multi-Format Compatibility: Supports multiple data formats (e.g., 8N1) to meet diverse communication requirements.
Compact Design: At just 35mm (1.38 in) in length, this module fits easily into space-constrained environments and embedded projects.
Clear Interface Markings: Labeled PCB interfaces allow for quick setup and straightforward connection, even for first-time users.
Robust Power Management: Delivers stable operating voltages to maintain reliable performance under varying load conditions.
Strong EMI Resistance: Built to perform in complex electromagnetic environments, safeguarding data integrity during transmission.
Versatile Applications: Ideal for embedded development, industrial control systems, data acquisition, robotics, and prototyping.

Specifications

Model	CH9329 Module
Type	UART / Serial-to-USB Converter
Component	PCB
Color	Blue
Size	35mm / 1.38 in (Length)
Baud Rate Range	300 bps – 3 Mbps
Assembly Required	No

Package Includes

1× CH9329 Serial Port to USB Module

Note: Please allow 1–2 cm variance due to manual measurement. Slight color differences may occur due to display settings.

Made in CN.

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Frequently Asked Questions

Q: What does the CH9329 UART to USB converter module do?

A: The CH9329 module converts UART/serial data signals into USB data, enabling seamless communication between serial devices (such as microcontrollers or sensors) and USB host systems. It supports baud rates from 300 bps to 3 Mbps and multiple data formats, making it highly versatile for embedded development, industrial control, data acquisition, and robotics applications.

Q: What baud rates and data formats does the CH9329 module support?

A: The CH9329 module supports standard baud rates ranging from 300 bps up to 3 Mbps. It is compatible with multiple data formats including 8N1, allowing it to interface with a wide variety of serial devices and microcontrollers without additional configuration complexity.

Q: Is the CH9329 USB converter module easy to set up?

A: Yes — the module requires no additional assembly and features clearly labeled interface markings on the PCB, making connection setup quick and straightforward. Its compact 35mm form factor also makes it easy to integrate into tight spaces within embedded or prototyping projects.

Q: What environments is the CH9329 module suitable for?

A: Thanks to its strong electromagnetic interference (EMI) resistance and robust power management, the CH9329 module is well-suited for use in complex industrial and electronic environments. It is commonly used in embedded development, industrial control systems, robotics, and data acquisition setups where reliable serial-to-USB communication is essential.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.