FT232RL USB 2.0 to TTL Serial Adapter Module — 5V / 3.3V, Arduino Compatible, UART Debugging

FT232RL USB 2.0 to TTL Serial Adapter Module — 5V / 3.3V UART

The FT232RL USB-to-TTL adapter provides a reliable USB to UART serial bridge using FTDI's industry-standard FT232RL chip. With selectable 5V/3.3V logic levels and plug-and-play driver support on Windows, Linux, and macOS, it is the go-to tool for Arduino bootloader programming, serial console debugging, and UART communication with embedded systems.

Key Specifications

Parameter	Value
USB Chip	FTDI FT232RL
USB Version	USB 2.0 Full Speed
Logic Level	5V / 3.3V (jumper selectable)
UART Signals	TX, RX, RTS, CTS, DTR, DSR
Baud Rate	300 bps – 3 Mbps
OS Support	Windows 7/8/10/11, Linux, macOS
Connector	USB Type-A + 6-pin 2.54mm header
LED Indicators	TX / RX activity LEDs

Why Choose FT232RL?

• ✅ FTDI genuine chip — reliable driver support, no counterfeit issues
• ✅ 5V / 3.3V selectable — compatible with both 5V Arduino and 3.3V ESP8266/ESP32
• ✅ DTR pin available — enables auto-reset for Arduino bootloader programming
• ✅ TX/RX LEDs — visual confirmation of data transmission
• ✅ High baud rate support — up to 3 Mbps for high-speed serial communication

Typical Applications

• Arduino Pro Mini / Nano bootloader flashing (via DTR auto-reset)
• ESP8266 / ESP32 serial programming
• UART serial console debugging
• GPS module and GSM module communication
• Industrial serial device interfacing
• Raspberry Pi serial terminal access

Package Contents

• 1 × FT232RL USB to TTL Serial Adapter Module
• 1 × USB Cable (Type-A to Mini-B or Micro-B, depending on variant)

Enjoy free standard shipping on all orders over $199 USD. Orders are processed within 1–2 business days.

Not satisfied? Return any item within 90 days of purchase for a full refund or exchange. Items must be in original condition.

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