BDD FT232RL USB to TTL Serial Converter Module FTDI Arduino Adapter

The BDD FT232RL USB to Serial Board is a compact and reliable USB-to-TTL serial converter module designed for interfacing microcontrollers with USB-enabled devices. Based on the widely used FT232RL USB-to-UART bridge chip, this module provides an easy and efficient way to enable USB communication for Arduino boards, microcontrollers, embedded systems, and development projects.

This adapter converts USB signals into standard TTL serial communication (RX/TX), allowing seamless data transfer between a computer and microcontroller-based systems. It is widely used for programming, debugging, firmware uploading, bootloading, and serial communication monitoring in embedded electronics projects.

The module supports both 3.3V and 5V logic levels, making it compatible with a wide range of microcontroller platforms including Arduino, ESP8266, ESP32, STM32, PIC, AVR, and other TTL-based systems. It features a Mini-USB interface for convenient connectivity to modern computers and laptops.

An onboard DTR (Data Terminal Ready) pin enables automatic reset functionality when programming Arduino boards, ensuring smooth and hands-free code uploads. This makes it especially useful for development environments where frequent firmware updates are required.

The board also includes RX/TX communication indicators (LEDs), providing real-time visual feedback during data transmission. Additionally, built-in over-current protection using a 500mA self-resetting fuse helps protect both the module and connected devices from electrical damage.

Please note that this version of the module uses a non-original FT232RL chip, does not include EEPROM functionality, and does not support signal inversion features. Despite this, it remains highly effective for standard serial communication and development tasks.

Key Features

Part Number: BDD FT232RL USB to Serial Board

USB to TTL serial converter module

Based on FT232RL USB-to-UART interface chip

Supports 3.3V and 5V logic levels

Mini-USB interface for easy connectivity

Compatible with Arduino and microcontrollers

RX/TX communication indicator LEDs

DTR pin for automatic reset function

Over-current protection (500mA self-reset fuse)

Plug-and-play USB serial communication

Compact and lightweight design

Supports multiple operating systems

Applications

Arduino programming and bootloading

Microcontroller firmware uploading

Serial communication debugging

Embedded system development

IoT device programming

USB-to-serial communication bridge

Electronics prototyping

Data logging systems

Development and testing environments

DIY electronics projects

Industrial control systems

Technical Specifications

Model: BDD FT232RL USB to Serial Board

Device Type: USB to TTL Serial Converter

Chipset: FT232RL (non-original version)

Communication Interface: USB to UART (TTL)

Logic Levels: 3.3V / 5V selectable

USB Interface: Mini-USB

Serial Pins: RX, TX, DTR, VCC, GND

Protection: 500mA self-resetting fuse

Indicators: RX/TX LED status indicators

Operating Systems Supported:

Windows 98 / ME / 2000 / XP / 7 / Vista

Linux

Mac OS

Important Notes

This module uses a non-original FT232RL chip.

EEPROM functionality is not included.

Signal inversion is not supported.

Intended for standard USB-to-TTL communication only.

Benefits

Easy USB-to-serial communication for microcontrollers

Ideal for Arduino and embedded development

Automatic reset simplifies programming workflow

Compact and portable design

Wide OS compatibility

Reliable data transmission for development use

Summary

The BDD FT232RL USB to Serial Board is a practical and versatile USB-to-TTL converter module designed for programming and communicating with microcontrollers. With support for 3.3V/5V logic levels, DTR auto-reset, and broad system compatibility, it is an essential tool for Arduino development, embedded systems debugging, and electronics prototyping.

What's in the box
1 x BDD FT232RL USB to TTL Serial Converter Module FTDI Arduino Adapter