USB to UART Converter – CH340 Chipset (RS232 + TTL Output)

Overview:

This USB to UART Converter is a versatile, high-performance module based on the CH340 USB-to-Serial chip. It features both RS232 and TTL (3.3V/5V selectable) outputs, making it an ideal tool for interfacing with a wide range of serial devices—from microcontrollers to industrial equipment.

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Key Features:

• ✅ Dual Serial Output: Supports RS232 (DB9) and TTL level signals.

• ✅ CH340 Chipset: Reliable and widely supported USB to serial communication

• ✅ Driver Support: Compatible with Windows, macOS, and Linux.

• ✅ Status Indicators: LEDs for Power, TX, and RX for real-time status.

• ✅ High-Speed Communication: Supports baud rates up to 115200 bps.

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Specifications:

• Chipset: CH340

• Input: USBA-B CABLE  

• Outputs:

  • RS232 via DB9 MALEconnector

  • TTL via header pins

• TTL Voltage:  3.3V / 5V

• Power Source: USB powered (5V)

• Baud Rate: 300 to 115200 bps

• LED Indicators: Power, TX, RX

• OS Support: Windows XP/7/8/10/11, macOS, Linux

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Applications:

• Programming and debugging Arduino, ESP8266, ESP32, etc.

• Interfacing with GSM/GPS modules

• Serial communication with routers, industrial machines, and legacy devices

• Educational use and prototyping

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What's in the Box:

• 1 × CH340 USB to UART Converter Module

• (Optional) Jumper Cap for TTL voltage selection

  
  

  
  

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