Shopping Cart

Detailed Description:

Effortlessly bridge the gap between your computer's USB port and your microcontroller's serial interface with the CP2102 USB to TTL Converter Module. This essential tool, built around the reliable Silicon Labs CP2102 chip, provides a robust and straightforward way to establish serial communication, making it indispensable for programming microcontrollers, debugging embedded systems, and interacting with devices that communicate via TTL (Transistor-Transistor Logic) UART (Universal Asynchronous Receiver-Transmitter).

The CP2102 module appears as a standard virtual COM port on your computer, eliminating the need for complex custom drivers. It supports a wide range of baud rates, from 300 bps up to 1 Mbps or even 1.5 Mbps, accommodating various communication speeds. A key advantage of the CP2102 is its dual voltage output, typically offering both 3.3V and 5V, which ensures compatibility with almost any microcontroller or serial device, including popular boards like the Arduino Pro Mini, ESP8266, and ESP32. Many versions of the module also feature convenient LED indicators for power, TX (transmit), and RX (receive) activity, providing visual feedback on data flow for easy debugging.

Installation is usually a simple process of downloading and installing the appropriate VCP (Virtual COM Port) drivers directly from the Silicon Labs website for your operating system (Windows, Mac, Linux). With its compact design, integrated USB connector, and direct pinouts for essential serial signals (TXD, RXD, GND, VCC), the CP2102 USB to TTL converter is a cost-effective, plug-and-play solution for hobbyists, students, and professional engineers looking to streamline their embedded development and serial communication tasks.

The CP2102 USB to TTL Serial Converter is a compact module based on the Silicon Labs CP2102 chipset, designed for stable and high-speed USB-to-serial data transmission. It’s plug-and-play compatible with most operating systems including Windows, Linux, and MacOS. This module is widely used for interfacing USB with embedded systems, especially when programming or debugging ESP8266, ESP32, Arduino Pro Mini, STM32, and other microcontrollers. It features selectable 3.3V and 5V logic level output and standard UART signal pins (TXD, RXD, GND, VCC).

Key Features:

• Powered by Silicon Labs CP2102 chip

• Converts USB to UART (TTL) Serial interface

• Supports 3.3V and 5V logic levels (via onboard jumper)

• Plug-and-play driver support

• Stable and noise-free data communication

• Compact USB stick form-factor

• Standard pinout: TX, RX, VCC, GND, DTR

• Onboard Power & TX/RX indicator LEDs

Technical Specifications:

How to Use:

1. Install CP2102 drivers (automatic in most OS or download from Silicon Labs).

2. Plug module into USB port.

3. Connect TX → RX and RX → TX between the module and your device.

4. Select 3.3V or 5V logic level based on target device using the onboard jumper or solder pad.

5. Use serial software like Arduino IDE, PuTTY, or Termite for communication.

Match voltage level with your device to avoid hardware damage.

Applications:

• Flashing and programming ESP8266 / ESP32

• Uploading code to Arduino Pro Mini / STM32

• Serial debugging of microcontroller projects

• Interfacing GPS, GSM, and Bluetooth modules

• USB serial communication with Raspberry Pi

• IoT prototyping and automation systems

Package Includes:

• 1 x CP2102 USB to TTL UART Serial Converter Module