CH340G to TTL Serial Converter Module
The CH340G to TTL Serial Converter is a compact and cost-effective USB-to-UART interface module used for communication between a computer and microcontrollers. It is widely used for programming and debugging boards like Arduino, ESP8266, ESP32, and other embedded systems.
Key Features
- CH340G Chipset: Reliable and budget-friendly USB-to-Serial conversion
- USB to UART TTL Interface: Enables serial communication with microcontrollers
- Multiple Logic Levels: Supports 3.3V and 5V output (module dependent)
- Plug and Play: Easy connection via USB
- Onboard LEDs: Power, TX, and RX indicators
- Compact Design: Breadboard-friendly and easy to integrate
Applications
- Microcontroller Programming: Upload code to Arduino, ESP8266, ESP32
- Serial Communication: PC-to-device data exchange
- Debugging: Monitor serial output from embedded systems
- DIY Electronics: General-purpose USB to UART conversion
- Firmware Development: Flashing and testing devices
Technical Specifications
- Chipset: CH340G
- Interface: USB to UART TTL
- Logic Levels: 3.3V / 5V (varies by module)
- Operating Voltage: 5V via USB
- Baud Rate: Up to ~2 Mbps
- Pins: TX, RX, VCC, GND (may include RTS, CTS)
- Compatibility: Windows, Linux, macOS (driver required for some systems)
Product Example
CH340G USB to TTL Serial Converter Module
Affordable and reliable module for serial communication and microcontroller programming.
Why Choose CH340G Converter?
The CH340G module is a popular low-cost alternative to other USB-to-Serial chips. It offers stable performance for most applications, making it ideal for students, hobbyists, and large-scale projects where cost efficiency is important.



