FT232RL USB to UART TTL 3.3V / 5V Serial Adapter Module for Arduino

The FT232RL USB to UART TTL Adapter Module is a compact and reliable USB-to-serial converter, designed for seamless communication between USB-enabled devices and TTL-level serial interfaces. Built around the FTDI FT232RL chipset, this module is ideal for Arduino programming, embedded systems, and serial communication applications. Its standard pinout ensures compatibility with both official Arduino boards and clones, while the DTR pin enables automatic reset functionality, simplifying firmware uploads.

Key Features & Benefits

• FTDI FT232RL Chipset – Ensures stable performance and reliable USB-to-serial communication.
• DTR Pin for Auto-Reset – Allows automatic resetting of Arduino boards, eliminating manual reset.
• 3.3V & 5V Logic Compatibility – Works with a wide range of microcontrollers and development boards.
• RXD/TXD LED Indicators – Provides visual feedback for data transmission and reception.
• USB Power with Protection – Integrated 500mA self-resettable fuse for overcurrent protection.
• Mini USB Interface – Enables convenient and secure USB connectivity.
• High-Speed Data Transfer – Supports baud rates from 300 baud up to 3Mbps.
• Fully Integrated USB Protocol – No external USB firmware or driver programming required.

Specifications

• Chipset: FTDI FT232RL (Original)
• Interface: USB to Serial (TTL)
• Supported Voltage Levels: 3.3V / 5V
• Baud Rate: 300 baud to 3Mbps
• EEPROM: Integrated (1024-bit) for device configuration
• USB Standard: USB 2.0 Full-Speed (12Mbps)
• Buffer: 128-byte receive, 256-byte transmit with buffer smoothing
• Communication Indicator LEDs: RXD, TXD, Power
• Power Protection: 500mA self-resettable fuse
• Termination Resistors: Integrated USB termination resistors
• Clock Generation: Built-in, no external crystal required
• Connector Type: Mini USB Port
• Weight: 4g

Applications

• Arduino Programming & Debugging – Ideal for flashing firmware and serial communication.
• Embedded Systems Development – Enables USB-to-microcontroller interfacing.
• Serial Communication Testing – Used for RS232, RS485, and RS422 protocols.
• Industrial & Consumer Electronics – Provides reliable data transfer in various applications.