CP2102 USB 2.0 to TTL UART Serial convertor Module

CP2102 USB 2.0 to TTL UART Serial convertor Module

The CP2102 USB to TTL UART Converter Module is a compact and reliable interface board based on the Silicon Labs CP2102 chipset.
It enables communication between a computer’s USB port and microcontrollers or TTL-level devices such as Arduino, ESP8266, ESP32, STM32, AVR, and various sensors/modules.
It is widely used for programming, debugging, logging, and serial communication in embedded systems.

The module provides stable drivers, plug-and-play operation, and supports 3.3V/5V outputs, making it suitable for many development environments.

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Features:-

• Stable and reliable chipset CP2102.
• USB specification 2.0 compliant with full-speed 12Mbps.
• Standard USB type A male and TTL 6pin connector.
• 6pins for 3.3V, RST, TXD, RXD, GND & 5V.
• Baud rates: 300 bps to 1.5 Mbps
• Byte receive buffer; 640 byte transmit buffer.
• Hardware or X-On/X-Off handshaking supported.
• Event character support Line break transmission.
• USB suspend states supported via SUSPEND pins.
• Temperature Range: -40 to +85.
• Size: 42mm X 15mm.
• Weight: 4g

Applications 

• Programming Arduino Pro Mini and other bootloader-based boards
• Uploading firmware to ESP8266, ESP32, and other Wi-Fi MCUs
• Serial debugging for microcontroller projects
• Connecting PC to TTL-level GPS, GSM, RFID, and Bluetooth modules
• Data logging and serial terminal monitoring
• Bootloader repair and flashing for embedded devices
• USB-UART interface for robotics and IoT systems
• Communication testing in labs and prototyping setups
• Replacing RS-232 interfaces with USB in older devices