CH340 USB to TTL Serial Converter Module (USB UART Interface Module)

The CH340 USB to TTL Serial Converter Module is a compact USB-to-UART interface designed for programming, debugging, and serial communication with microcontrollers and embedded systems. Based on the CH340 USB-to-Serial converter IC, it enables reliable communication between a computer and TTL-level serial devices through a USB connection. The module is widely used with Arduino, ESP8266, ESP32, STM32, Raspberry Pi Pico, GPS modules, Bluetooth modules, and other UART-enabled devices. It supports plug-and-play operation with Windows, Linux, and macOS using the appropriate CH340 drivers.

Key Features -

• Based on CH340 USB to UART converter IC

• USB to TTL serial communication

• Stable high-speed data transmission

• Plug-and-play USB interface

• UART TX and RX communication

• Compact PCB module design

• Compatible with Windows, Linux and macOS

• Supports microcontroller programming and debugging

• Low power consumption

• Easy interface with embedded systems

Specifications -

• Product type - USB to TTL Serial Converter Module

• Model - CH340 USB UART Module

• USB interface - USB 2.0

• UART interface - TTL Serial

• Operating voltage - 5V DC (USB Powered)

• Logic level - 5V TTL (3.3V Logic on Some Module Variants)

• Communication protocol - UART

• Driver support - Windows, Linux and macOS

• Mounting type - PCB Module

• Operating temperature - Standard Ambient

Applications -

• Microcontroller programming

• Embedded system development

• Arduino programming

• ESP8266 and ESP32 interfacing

• STM32 development

• Serial debugging

• GPS and Bluetooth module communication

• Industrial serial communication