2PCS CP2102 Serial Module USB to TTL Converter Adapter UART Downloader 3.3V/5V

🔌 2PCS Mini USB 2.0 to TTL Converter Serial Module – UART Adapter

USB Type-A • 5-Pin TTL • 3.3V / 5V • 300 bps–1 Mbps • Serial Communication

💻 Professional Product Overview

Connect compatible computers with TTL serial devices using this convenient 2-piece USB to TTL converter module set. Designed for electronics development, embedded systems, microcontroller projects, and serial communication, these compact USB 2.0 UART adapters provide a practical interface between a USB Type-A port and compatible TTL-level serial devices.

Each USB to TTL serial module features a 5-pin TTL interface supporting 3.3V, RST, TXD, RXD, GND, and 5V connections. With a stated baud rate range of approximately 300 bps to 1 Mbps and built-in activity indicators, these modules are useful for compatible development boards, microcontrollers, embedded systems, and electronics projects.

⭐ Key Features & Benefits

• 2-Piece Converter Set: Includes two compact USB 2.0 to TTL serial converter modules for development, testing, and communication projects.
• USB 2.0 Interface: Features a standard USB Type-A male connector for connection to compatible computers and USB ports.
• 5-Pin TTL Interface: Provides 3.3V, RST, TXD, RXD, GND, and 5V connections for compatible TTL serial applications.
• 3.3V / 5V Support: Designed for compatible TTL devices requiring the stated voltage levels. Verify your device requirements before use.
• Wide Baud Rate Range: Supports communication speeds from approximately 300 bps through 1 Mbps according to the provided specifications.
• LED Activity Indicators: Built-in indicator lights provide visual response for power/status and transmit/receive communication activity.
• Compact Module Design: Small dimensions make the adapter convenient for electronics workbenches, development kits, and portable projects.
• Versatile Serial Adapter: Suitable for compatible microcontrollers, embedded systems, development boards, and other TTL serial devices.

⚙️ USB to TTL Serial Communication

The USB TTL converter provides an interface between a compatible computer USB port and TTL-level serial hardware. It can be used for suitable development and debugging applications where USB connectivity is required for serial communication.

The module\'s TXD and RXD pins are intended for compatible transmit and receive connections, while the ground and voltage pins provide the appropriate interface connections for supported devices.

📋 Product Specifications Product Type USB 2.0 to TTL UART Converter Module Quantity 2 Pieces USB Interface USB 2.0 USB Connector USB Type-A Male TTL Interface 5-Pin Voltage 3.3V / 5V Baud Rate 300 bps – 1 Mbps Color Red / Black Item Dimensions 1.57 × 0.39 × 0.20 Inches 💡 LED Status & Communication Indicators

Built-in LEDs provide visual indication of module activity. After the appropriate driver is installed, the status indicator can show module activity, while the transmit and receive indicators flash during compatible serial data communication.

🧰 Common Applications

• Microcontroller development
• Development board programming
• Embedded system projects
• TTL serial communication
• UART communication
• Electronics prototyping
• Serial debugging
• DIY electronics projects
• Computer-to-device serial interfaces
• Development and testing applications

🖥️ Operating System Support

The provided specifications indicate compatibility with various Windows, Mac OS, and Linux operating systems. Actual compatibility may depend on your specific operating system version, available drivers, and connected device. Please verify driver availability before purchase.

📦 Package Includes

• 2 × Mini USB 2.0 to TTL Converter Serial Modules

⚠️ Important Compatibility Information

Please verify the required TTL voltage level, pin configuration, baud rate, driver availability, and connected device compatibility before purchasing. Confirm that your equipment is designed to work with the stated 3.3V / 5V TTL interface. Incorrect voltage or pin connections may prevent proper operation or damage connected equipment.

🚚 Shipping Notice

Some items may not be eligible for shipment to certain locations due to carrier restrictions or remote delivery areas. Orders that cannot be shipped may be canceled. If you would like to verify shipping availability before placing your order, please contact us first.

🔌 Convenient USB to TTL Connectivity

Add these 2PCS USB 2.0 to TTL converter modules to your electronics toolkit for compatible UART serial communication, microcontroller development, embedded projects, and DIY electronics applications.