Ultra-Stable Micro USB to TTL CH340G UART Serial Adapter Module

STC 5V / 3.3V · 6-Pin Design · Reliable Communication

Overview

The CH340G USB-to-TTL serial adapter module is designed for reliable and stable communication between your computer and microcontroller projects. Using the original STC-recommended CH340G chipset, this module ensures broad compatibility across Windows operating systems and offers a clear, intuitive operation with onboard status LEDs. Ideal for programming, debugging, and general UART serial communication.

Key Features

Genuine CH340G Chipset: Factory-original chips recommended by STC, eliminating driver incompatibility issues across different computers and operating systems.
Premium High-Quality Pins: Durable gold-plated pins resist corrosion and ensure a secure connection, outlasting standard black pins.
Onboard Status LEDs: Power (PWR), TXD, and RXD indicator lights provide real-time visual feedback of module activity without the need for additional instruments.
Selectable Voltage: Choose between 3.3V and 5V operation via a simple jumper short-circuit selection.
Broad OS Support: Compatible with Windows 98/ME/2000/XP/Server 2003/VISTA/Server 2008/Win7/Win8 (32-bit and 64-bit).

Specifications

Chip Type	CH340G
Color	Black
Module Size	55 x 16 mm
PCB Size	33 x 16 mm

⚠ Important Notes

Please ensure your system has the appropriate CH340G driver installed before use. If experiencing driver issues, download the latest driver from the official manufacturer website. For accurate voltage selection, confirm your target device requirements before shorting the 3.3V or 5V pins.

Package Includes

1 x USB to TTL CH340G Serial Adapter Module

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Important Notes (Electronic Modules / DIY Parts)

For electronic modules and DIY components, please test the item as soon as you receive it.
If there are any genuine quality issues, please contact us immediately and we will provide a suitable solution.
However, we do not provide warranty or support for damage caused by:
- Use outside of the intended design/specification
- Circuit modifications or alterations
- Incorrect wiring or misuse
- Over-voltage, over-current, or improper handling