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Ch340 - Overview

USB-UART CH340 Converter Board

The USB-UART CH340 Converter Board is a compact and reliable solution for serial communication between computers and microcontroller-based projects. It enables USB-to-serial conversion, making it an essential tool for programming, debugging, and data exchange in embedded systems. With its CH340 chip, it provides a cost-effective and widely compatible alternative to FTDI-based converters, supporting multiple baud rates and plug-and-play functionality across various operating systems.

USB-UART CH340 Converter Board
USB-UART CH340 Converter Board

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USB-UART CH340 Converter Board

USB-UART CH340 Converter Board

USB-to-Serial Converter with CH340


Key Features

  • USB to UART conversion: Enables serial communication between microcontrollers and computers
  • Baud rate support: Configurable speeds up to 2 Mbps
  • Operating voltage: Works with 3.3V and 5V systems
  • Dimensions: 38 x 22 mm (1.5 x 0.9 inch)
  • Plug-and-Play Simplicity: Automatically recognized by most operating systems with minimal setup required