CP2102 MICRO USB to UART TTL Module HiLetgo 16x20mm Serial Card

Description

Product Overview

The HiLetgo CP2102 MICRO USB to UART TTL Module is a compact, high‑performance bridge that converts USB signals to 3.3 V or 5 V TTL UART levels. At just 16 × 20 mm, the board is designed to fit into tight spaces on development kits while delivering the same reliability as larger converters. The core of the module is the original Silicon Labs CP2102 chip, a proven solution that handles USB‑to‑serial translation with low latency and robust error handling.

Constructed with a durable FR‑4 substrate and gold‑plated pins, the module ensures solid electrical connections even after repeated insertions. An integrated clock circuit provides precise timing for data streams, eliminating the need for external timing components. The module also includes a standard micro‑mini‑USB connector, allowing you to power the device directly from a USB port without additional adapters.

Key specifications include a package dimension of 3 × 2 × 0.3 inches, a weight of only 0.634 oz, and compliance with industry standards for serial communication. The module is rated for a wide temperature range and has been tested for compatibility with popular development platforms such as Arduino, Raspberry Pi, ESP8266, and many others. With a customer rating of 4.5 out of 5 stars from 85 reviews, it has earned a reputation for dependable performance and ease of use.

Usage

Designed for makers, engineers, and hobbyists, this module simplifies the process of adding USB connectivity to projects that require serial communication. Whether you are building a data logger, a custom sensor array, or a robotic controller, the CP2102 module provides a straightforward plug‑and‑play solution. Connect the module to a microcontroller via its TTL pins, attach a USB cable, and you have a fully functional serial link ready for software development.

Beyond hobbyist applications, the module is well suited for rapid prototyping in professional environments. It can be used to interface legacy serial equipment with modern computers, enabling firmware updates, diagnostics, and data extraction without the need for specialized hardware. Its small footprint makes it ideal for integration into enclosure‑constrained designs, while the onboard clock ensures reliable data transfer rates for high‑speed communication tasks.

Why Choose Us

HiLetgo sources the original CP2102 chip directly from the manufacturer, guaranteeing authentic performance and long‑term availability. Each module undergoes a rigorous testing process that includes electrical stress testing, functional verification, and quality inspection to ensure that every unit meets our high standards. This commitment to quality translates into a product that delivers consistent results across a wide range of operating conditions.

In addition to the hardware quality, HiLetgo provides comprehensive technical support and a responsive after‑sales service team. Customers can access detailed documentation, firmware updates, and troubleshooting guides through our online portal. We also offer a 12‑month warranty that covers manufacturing defects, giving you confidence that your investment is protected.

Key Features

• Original CP2102 chip ensures reliable USB‑to‑UART conversion with low latency.
• Ultra‑compact 16 × 20 mm board fits into tight spaces on any development platform.
• Standard micro‑mini‑USB connector provides easy power and data connection without extra adapters.
• Integrated clock circuit delivers precise timing for stable data transmission.
• 24/7 technical support and a 12‑month warranty for peace of mind.

FAQ

What operating voltage does the module support?

The module can operate at both 3.3 V and 5 V TTL levels, making it compatible with a wide range of microcontrollers and peripheral devices.

Do I need to install drivers on my computer?

Yes, the CP2102 requires a driver that is available for Windows, macOS, and Linux. The driver can be downloaded from the Silicon Labs website and is straightforward to install.

Can this module be used for high‑speed data transfer?

The CP2102 supports baud rates up to 1 Mbps, which is sufficient for most hobbyist and prototyping applications. For higher speeds, consider a dedicated high‑speed USB‑to‑serial converter.

Is the module compatible with Arduino IDE?

Absolutely. The module appears as a virtual COM port, allowing you to use standard Serial functions in the Arduino IDE without additional configuration.

What warranty does HiLetgo provide?

HiLetgo offers a 12‑month warranty covering any manufacturing defects. If you encounter an issue, contact our support team for a replacement or repair.