Description
Product Description
The FT232RL Mini USB to TTL Serial Module is the industry standard for reliable USB-to-Serial communication. Built around the world-renowned FTDI FT232RL chipset, this module provides a rock-solid bridge between your computer’s USB port and any microcontroller or serial device. Unlike budget alternatives, the FTDI chipset is famous for its driver stability across Windows, macOS, and Linux, making it the preferred choice for professional engineers, industrial maintenance, and academic research.
This module is designed for maximum flexibility, featuring an onboard jumper to switch between 3.3V and 5V logic levels instantly. This ensures safe operation with both legacy 5V systems and modern, sensitive 3.3V microcontrollers. Its compact Mini USB interface and integrated status LEDs (TX/RX) provide immediate visual feedback, making it an indispensable tool for firmware development, hardware “unbricking,” and long-term serial data logging.
Key Features
- Original FTDI FT232RL Chip: Industry-leading stability with official driver support integrated into most modern operating systems.
- Dual-Voltage Logic Support: Onboard jumper allows seamless switching between 3.3V and 5V TTL levels to protect sensitive hardware.
- Visual Status Indicators: Integrated high-brightness LEDs for Power (PWR), Transmit (TXD), and Receive (RXD) provide real-time diagnostic feedback.
- Integrated Over-Current Protection: Features an onboard 500mA self-restoring fuse to protect your computer’s USB port from accidental shorts or surges.
- Full Signal Breakout: Standard 6-pin header (DTR, RXD, TXD, VCC, CTS, GND) ensures compatibility with most Arduino-style programming interfaces.
- Internal EEPROM: Includes 1024 bits of memory to store USB VID, PID, serial number, and product description strings for custom identification.






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