A USB-to-UART communication module based on the CH343G chip, offering data rates up to 6 Mbps via a USB-C connector. It supports selectable TTL output levels (3.3 V or 5 V) and works across Windows, macOS, Linux, and Android.

The board includes multiple protection circuits — resettable fuse, transient voltage suppressor, and IO protection — for overcurrent, overvoltage, surge, and ESD protection.

Key Features

• CH343G Chip – Up to 6 Mbps baud rate, supporting 5 V / 3.3 V / 2.5 V / 1.8 V serial I/O levels
• USB-C Connector – Modern, reversible connection
• Selectable TTL Level – Onboard 3.3 V / 5 V switch pins
• Power Output – 3.3 V or 5 V via onboard jumper (USB-powered)
• Multi-OS Support – Windows 7/8/8.1/10/11, macOS, Linux, Android
• Built-in Protection – Resettable fuse, TVS, and IO protection circuits

Ideal For

• Serial debugging and communication
• Microcontroller programming and flashing
• Connecting UART devices to a computer
• High-speed serial data transfer

Package Contents

• 1× CH343 USB UART Board (USB-C)
• 1× 6-pin squid wire

Resources

• Product Wiki