CP2102 USB 2.0 to TTL UART Serial Converter Module in Sensors & Modules | Electro Boat

CP2102 USB 2.0 to TTL UART Serial Converter Module

The CP2102 USB to UART Bridge provides a complete plug and play interface solution that includes royalty-free drivers. This USB 2.0 compliant device includes 0 digital I/O pins and is availble in a 5x5 mm QFN28 package. The CP2102 USB to TTL UART Module offers a reliable and high-speed solution for serial communication between your PC and microcontroller devices. Supports both 3.3V and 5V logic levels, making it ideal for programming, flashing, or debugging Arduino, ESP, STM32, and other serial devices.

( No Reviews )

₹ 148 ^₹199

Detailed Description:

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:

Parameter	Specification
USB Standard	USB 2.0 Full Speed (12 Mbps)
Chipset	Silicon Labs CP2102
Logic Level Support	3.3V & 5V (selectable via jumper)
Output Pins	TXD, RXD, GND, VCC, DTR
Supported Baud Rates	300 bps to 1 Mbps
OS Compatibility	Windows, macOS, Linux
Operating Voltage	5V via USB
Board Size	Approx. 42mm x 15mm

How to Use:

Install CP2102 drivers (automatic in most OS or download from Silicon Labs).
Plug module into USB port.
Connect TX → RX and RX → TX between the module and your device.
Select 3.3V or 5V logic level based on target device using the onboard jumper or solder pad.
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

Shopping Cart