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CH340G USB to TTL (Serial) Converter:
The CH340G USB to TTL Converter Module is a compact and cost-effective tool designed for serial communication between USB ports and microcontroller UART interfaces. It enables easy programming, debugging, and data logging for popular development boards like Arduino, ESP8266, ESP32, STM32, and AVR microcontrollers.
Built around the CH340G chipset, this module offers stable, high-speed data transmission and is compatible with Windows, Linux, and macOS platforms. Whether you're uploading firmware, serially debugging your microcontroller, or connecting a headless device to your PC, this module is a must-have for any electronics enthusiast or professional.
Common Use Cases
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Flashing firmware to ESP8266 / ESP32 / NodeMCU
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Serial debugging for Arduino, STM32, or custom boards
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Interfacing IoT modules (e.g., GPS, GSM, LoRa, RFID)
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Real-time data logging to PC via USB
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Connecting headless Raspberry Pi devices via serial console
Why Buy from Robo Pixel?
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Original CH340G Chip – Guaranteed stable performance
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Free Setup & Usage Guides
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Technical Support
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Fast Shipping & GST Invoicing
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Easy Returns
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Quality Service
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Original Product
Technical Specifications
| Parameter | Value |
|---|---|
| Chipset | CH340G |
| Interface | USB 2.0 Type Micro-B |
| Logic Voltage Levels | 3.3V / 5V (selectable via jumper) |
| Communication Format | UART (TX, RX, GND, VCC) |
| Baud Rate Support | 300bps to 1Mbps |
| Operating System Support | Windows, Linux, macOS |
| Indicators | TX and RX LEDs |
| Dimensions | ~35mm x 17mm |
| Driver Required | Yes (Windows, auto-detect on Linux/macOS) |
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