CH343P USB to TTL UART Module Type-C 6Mbps Serial Converter 3.3V 5V

🔧 CH343P USB to TTL UART Module Type-C 6Mbps Converter | AuscomTech

This CH343P USB to TTL serial converter module provides high-speed UART communication for programming, debugging, firmware flashing, and embedded system development.

Using a modern USB Type-C interface and supporting up to 6 Mbps baud rates, it is ideal for ESP32, STM32, Arduino, Raspberry Pi UART communication, and other microcontroller projects requiring reliable serial connectivity.

The module supports both 3.3 V and 5 V TTL serial systems and is suitable for firmware downloading, bootloader access, console debugging, and serial communication testing.

⭐ Key Features

• CH343P USB Serial Chip – reliable USB to asynchronous UART conversion with integrated firmware.
• USB Type-C Connection – modern reversible USB connector for convenient connection.
• High-Speed Data Transfer – supports baud rates from 50 bps up to 6 Mbps.
• 3.3 V and 5 V TTL Compatible – suitable for most common MCU development boards.
• Programming & Debugging Support – ideal for firmware burning, bootloader flashing, and serial console access.
• Hardware Flow Control – supports RTS and CTS automatic flow control.
• Compact Development Module – easy integration into breadboards, test setups, and embedded projects.

📊 Technical Specifications

• Chipset: CH343P
• USB Interface: USB Type-C
• Serial Interface: TTL UART
• USB Standard: USB 2.0 Full-Speed
• Supported Baud Rate: 50 bps to 6 Mbps
• Logic Levels: 3.3 V / 5 V TTL
• Supported Signals: TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI
• Parity Modes: odd, even, mark, space and none
• Power Supply: USB powered
• Application Type: UART communication, programming and debugging

🧩 Typical Applications

• ESP32 firmware uploading
• STM32 serial debugging
• Arduino UART communication
• Microcontroller bootloader flashing
• Serial console monitoring
• Embedded development and testing
• Raspberry Pi UART interfacing

⚠️ Important Notes

• This module uses TTL UART logic levels and is not compatible with direct RS232 voltage levels.
• Verify target device voltage before connection.
• TX and RX lines must be crossed when connecting to another UART device.
• Driver installation may be required depending on operating system.

📦 Package Includes

• 1 × CH343P USB Type-C to TTL UART Module

🔗 Recommended Accessories (Not Included)

• USB Type-C cable – connects module to computer
• Dupont jumper wires – UART wiring to target device
• Breadboard – rapid prototyping and testing
• ESP32 development board – firmware upload and debugging