Description

FT232RL USB to TTL FTDI Module – Switchable 3.3V/5V

The FT232RL USB to TTL FTDI Module is a reliable and versatile USB-to-serial communication adapter that provides a simple solution for interfacing microcontrollers, development boards, and embedded systems with a computer. Equipped with the FTDI FT232RL chipset, this module ensures stable, high-speed, and accurate data transmission. Its standout feature is the ability to switch between 3.3V and 5V logic levels, making it compatible with a wide variety of microcontrollers and devices.

Whether you are programming an Arduino Pro Mini, ESP8266, ESP32, STM32, or any other TTL-based device, this FTDI module is an essential tool for developers, students, and electronics enthusiasts.

Key Features of FT232RL USB to TTL FTDI Module

• High-Quality FTDI Chipset: Built with the genuine FT232RL chip for reliable communication.

• Switchable Voltage Levels: Supports 3.3V and 5V logic levels, making it flexible for multiple applications.

• USB Standard: Complies with USB 2.0 full-speed (12 Mbps) communication.

• Easy Programming: Ideal for uploading sketches to Arduino Pro Mini and other microcontrollers that don’t have onboard USB interfaces.

• Stable Drivers: FTDI provides drivers for Windows, Linux, and macOS, ensuring compatibility across platforms.

• Pinout Access: Provides TXD, RXD, GND, VCC, DTR, and CTS pins for full communication support.

• Compact & Lightweight: Small form factor makes it portable and easy to use in development labs or classrooms.

Why Choose the FT232RL USB to TTL Converter?

1. Versatile Voltage Support – Unlike fixed-level converters, this module has a switchable jumper that allows you to set logic levels to 3.3V or 5V, ensuring compatibility with different microcontrollers.

2. Perfect for Arduino Pro Mini – The Arduino Pro Mini lacks a USB interface. With the FT232RL module, you can easily upload code and communicate via the serial monitor.

3. Trusted Chipset – FTDI is one of the most reputable USB-to-serial interface chip manufacturers, known for stable drivers and long-term reliability.

4. Auto-Reset Function – The module supports the DTR (Data Terminal Ready) pin, which enables automatic reset during programming for Arduino boards.

5. Plug-and-Play – Once drivers are installed, the FTDI adapter is detected as a COM port on your PC, making it simple to use with Arduino IDE or other serial communication tools.

Applications of FT232RL USB to TTL FTDI Module

• Arduino Programming: Especially for Arduino Pro Mini and other boards without built-in USB interfaces.

• ESP Modules: Program and debug ESP8266 and ESP32 boards easily.

• Serial Debugging: Monitor sensor outputs, IoT devices, or any microcontroller UART communication.

• Embedded Development: A must-have tool for developers working on STM32, PIC, or ARM-based microcontrollers.

• Prototyping & Testing: Quickly establish serial connections between your PC and project hardware.

• Educational Projects: Widely used in classrooms and labs for teaching microcontroller programming and serial communication.

Technical Specifications

• Chipset: Genuine FTDI FT232RL

• USB Standard: USB 2.0 Full-Speed (12 Mbps)

• Logic Levels: Switchable between 3.3V and 5V

• Baud Rate: Up to 3 Mbps

• Pins Available: TXD, RXD, VCC, GND, DTR, CTS

• Power Output: Selectable 3.3V or 5V for powering external circuits

• Driver Support: Windows, Linux, macOS

• Operating Temperature: –40°C to +85°C

• Dimensions: Compact design for easy integration

Package Includes

• 1 × FT232RL USB to TTL FTDI Module – Switchable 3.3V/5V

How to Use the FT232RL USB to TTL Module

1. Install Drivers – Download and install the latest FTDI drivers for your operating system from the official FTDI website.

2. Connect to PC – Plug the module into your computer via a USB port.

3. Wire to Microcontroller – Connect the pins (TXD ↔ RXD, RXD ↔ TXD, GND ↔ GND, and DTR if required).

4. Set Voltage Level – Use the jumper to choose 3.3V or 5V depending on your target board.

5. Upload Code/Debug – Open Arduino IDE or your preferred terminal software and begin programming or serial monitoring.

Conclusion

The FT232RL USB to TTL FTDI Module – Switchable 3.3V/5V is one of the most dependable and flexible USB-to-serial adapters available. With genuine FTDI drivers, selectable logic levels, and support for automatic reset, it is the perfect tool for Arduino Pro Mini users, ESP developers, and embedded engineers. Its small size, plug-and-play usability, and cross-platform compatibility make it a must-have in every electronics toolkit.

Whether you’re a student, hobbyist, or professional developer, this FTDI module guarantees seamless communication between your PC and your microcontroller projects.

Data Sheet