CH340G USB to TTL Module – USB to UART Serial Converter (3.3V / 5V)

The CH340G USB to TTL module is a reliable USB to UART interface board designed for serial communication between microcontrollers and PCs. Based on the CH340G chip, it offers easy USB connectivity for Arduino, ESP8266, ESP32, and other embedded systems that require UART communication.

⚙️ Specifications

• Input Voltage: Selectable 3.3V / 5V via jumper
• Chipset: CH340G
• USB Compatibility: USB 1.1 / 2.0 / 3.0
• Supported Operating Systems: Windows XP, Windows 7, Windows 8
• Interfaces Supported: RS232, RS485, RS422
• Board Dimensions: 33 mm x 16 mm

🔌 Applications

• USB to serial debugging for microcontrollers
• Flashing firmware to ESP8266/ESP32/Arduino boards
• General serial communication between PC and embedded devices

📝 Notes

Make sure to install the correct CH340G driver for your operating system. The voltage can be selected via the onboard jumper depending on your target device requirements.