The USB to UART TTL FT232RL Adapter Module is a compact and versatile interface converter designed to connect microcontrollers, Arduino boards, and other TTL-based devices to a PC via USB. Powered by the FT232RL chipset, it provides reliable and high-speed serial communication, making it ideal for programming, debugging, and serial data exchange. Compatible with Windows, Linux, and macOS, this module ensures stable connectivity for hobbyists and professionals alike.
Technical Specifications
Core Specifications
Chipset: FT232RL USB to UART bridge
Interface: USB 2.0 to TTL serial (TXD, RXD)
Logic levels: 3.3 V or 5 V (selectable via jumper)
Baud rate: Up to 3 Mbps
Driver support: Windows, Linux, macOS
Electrical & Physical
Power supply: 5 V DC from USB
LED indicators for power and data transmission
Pinout: VCC, GND, TXD, RXD, RTS, CTS, DTR, DSR, DCD, RI (depending on variant)
Compact PCB size approximately 37 mm × 20 mm × 10 mm
Mini-B USB connector for easy connection
Environmental
Operating temperature range: –40 °C to +85 °C
Suitable for indoor electronics, development boards, and prototyping
Why Choose the FT232RL USB to UART Module
Provides reliable USB-to-serial communication for TTL devices
Supports multiple logic levels (3.3 V / 5 V) for flexible integration
High data transfer rate ensures efficient programming and debugging
Critical Uses
Programming and debugging Arduino, ESP8266, ESP32, and other microcontrollers
Serial communication with GPS, sensors, and other TTL modules
Firmware updates and testing of embedded systems
PC-based monitoring and logging of serial data
Pro Tips
Install the correct FT232RL driver for your operating system before use
Match the logic level (3.3 V or 5 V) to your target device
Use quality USB cables for stable and consistent data transmission
Package Includes
1 × USB to UART TTL FT232RL Adapter Module