7Semi CH340C USB to Serial TTL Converter Nano Breakout

The 7Semi CH340C USB to Serial TTL Converter Nano Breakout is a compact and reliable USB-to-UART interface module designed for serial communication between a computer and microcontroller-based systems. Built around the CH340C chip, it converts USB signals to standard TTL-level serial signals, making it ideal for programming, debugging, and communication with devices such as Arduino, ESP8266, ESP32, STM32, and other embedded systems. Its small Nano-sized form factor and onboard USB-C connector make it convenient for use in compact prototypes and embedded applications.

Technical Specifications:

• Chipset: CH340C (integrated crystal oscillator, no external components required)
  
• Interface Type: USB to Serial (UART TTL)
  
• Connector: USB Type-C
  
• Communication Voltage: Selectable 3.3 V or 5 V logic levels
  
• Baud Rate: Up to 2 Mbps (supports standard UART baud rates)
  
• Operating Voltage: 5 V (via USB)
  
• Current Output: Up to 500 mA (from USB port)
  
• Communication Pins: TXD, RXD, DTR, RTS, VCC, GND
  
• Compatibility: Windows, Linux, and macOS
  
• PCB Material: High-quality FR-4 PCB
  
• Protection: Overcurrent and ESD protection on USB interface
  
• Dimensions: Nano form factor, ideal for compact projects
  
• Power Indicator: Onboard LED for USB power status
  
• Mounting: Through-hole or header pin compatible

Features:

• Converts USB signals to TTL-level UART for serial communication
  
• Based on the stable and widely supported CH340C chipset
  
• USB-C connector for modern connectivity and durability
  
• Selectable 3.3 V or 5 V logic compatibility via jumper
  
• Compact Nano-sized breakout for space-saving applications
  
• Plug-and-play operation with standard OS drivers
  
• Compatible with most development boards and microcontrollers
  
• Built-in protection for reliable and safe data transmission
  
• Onboard power LED indicator for easy status monitoring

Applications:

• Programming and debugging of Arduino, ESP8266, ESP32, and STM32 boards
  
• Serial communication with microcontrollers and sensors
  
• USB-to-UART interface for embedded and IoT projects
  
• Data logging and terminal communication from PC to MCU
  
• Prototyping and development board interfacing
  
• Educational electronics and hardware experimentation
  
• Industrial and automation serial device connectivity