CP2102 (6-pin) USB 2.0 to TTL UART Serial Converter

The CP2102 (6-pin) USB 2.0 to TTL UART serial converter is a compact module that bridges USB and serial communication. It is designed for makers and engineers who need reliable UART connectivity for programming and debugging microcontrollers.

Specifications

• Interface: USB 2.0 to TTL UART
• Logic Level: 3.3V (5V tolerant on some pins)
• Baud Rate: Up to 1 Mbps
• Pinout: 6 pins – TX, RX, VCC, GND, DTR, RTS
• USB Connector: Micro USB (female)
• Dimensions: Approximately 25mm x 15mm

Compatible with

• Arduino (Uno, Nano, Mega, etc.)
• ESP32 and ESP8266
• Raspberry Pi (via GPIO UART)
• STM32 microcontrollers
• Any device with a UART interface

What you can build with it

• Program and debug an ESP32 or Arduino board without a built-in USB port
• Add serial communication to a Raspberry Pi project for sensor data logging
• Flash firmware onto a custom PCB or module using UART bootloader

Built and Backed by Compoden

Every CP2102 module from Compoden comes with access to our AI build companion, delivered via QR code, email, or WhatsApp, to help you wire and program it into a working project. With 10 years of experience supplying makers and institutions across India, we ensure reliable components for your builds. Pay your way: UPI, cards, or Cash on Delivery, anywhere in India.