7Semi CP2105 Dual UART USB Converter Module

The 7Semi CP2105 Dual UART USB Converter Module is a compact USB-to-serial interface designed to provide two independent UART communication ports from a single USB connection. Based on the Silicon Labs CP2105 controller, it enables simultaneous communication with two serial devices for programming, debugging, monitoring and data transfer. The module features USB Type-C connectivity and clearly labelled UART, 5V, 3.3V and GND pins, making it suitable for microcontrollers, sensors, communication modules and embedded development platforms.

Technical Specifications

• Brand: 7Semi
• Interface IC: CP2105
• Interface: USB to Dual UART
• USB Connector: USB Type-C
• Supply Voltage: 5V via USB Type-C
• UART Ports: 2 independent serial ports
• Baud Rate: 300 bps to 2.0 Mbps
• Pin Connections: TX1, RX1, TX2, RX2, 5V, 3.3V and GND
• Operating Temperature: -40°C to +85°C
• Dimensions: Approx. 24 × 17 × 4.95 mm

Features

• CP2105 dual USB-to-UART bridge controller
• Two independent UART communication channels
• Simultaneous communication with two serial devices
• USB Type-C connectivity
• Supports baud rates up to 2 Mbps
• Clearly labelled connection pins
• Compact PCB design
• Stable USB-to-serial data communication
• Suitable for programming and debugging
• Compatible with common embedded development platforms

Applications

• Embedded system debugging
• Dual UART communication
• Firmware programming
• Microcontroller development
• IoT device testing
• GPS/GNSS module communication
• Sensor interfacing
• Serial data logging
• Industrial automation
• Laboratory and educational projects