7Semi FT232 USB UART Board (Type A) – Your Key to Effortless USB-to-TTL Communication
Upgrade your project workflow with the powerful and adaptable 7Semi FT232 USB UART Board. This compact module features the original FT232RL chip, guaranteeing widespread compatibility with popular operating systems like Windows (7 to 11), Mac, Linux, Android, and WinCE.

Features:

Flexible Power: Effortlessly switch between 5V or 3.3V output using the jumper setting, or utilize the power from your target device (3.3V-5V) for added convenience.
Informative LEDs: The TX, RX, and PWR LEDs offer easy visual monitoring of data transmission and power status.
Essential Connections: Seamlessly interface with your devices thanks to the TX, RX, RTS#, and CTS# functional pins.
Breadboard & Beyond: The board’s accessible pins and included pin headers facilitate integration with breadboards or other prototyping setups.
Wide-Ranging Compatibility: Rest assured this board will work smoothly with your microcontrollers, sensors, and other TTL-level devices.

Applications:

Streamlined Development: Effortlessly program and debug embedded systems.

Sensor Integration: Interface with a variety of sensors and modules for data collection or control projects.

Legacy Device Support: Breathe new life into older serial devices by connecting them to modern computers.

Pinouts

VCCIO 3.3V or 5V output (the module is powered from USB, onboard jumper should be shorted to 3.3V or 5V)

GND GND

TX MCU.RX (signal direction: MCU.RX << FT232 << PC.TX) RX MCU.TX (signal direction: MCU.TX >> FT232 >> PC.RX)

RTS MCU.CTS (signal direction: MCU.CTS << FT232 << PC.RTS) CTS MCU.RTS (signal direction: MCU.RTS >> FT232 >> PC.CTS)

Function

Pin
Function
Input/Output

VCCIO
5V or 3.3V available for external devices (via jumper cap)
–

GND
Ground
–

TX
Serial data transmit pin, connect to MCU.RX
Output

RX
Serial data receive pin, connect to MCU.TX
Input

RTS#
Request to send, connected to MCU.CTS
Output

CTS#
Clear to send, connected to MCU.RTS.
Input

RI#
Ringing indication, used to detect whether the external device is ringing, low active
Input

DCD#
Data carrier detection, low active
Input

DTR#
Data terminal is ready for controlling external devices, low active
Output

DSR#
Dataset is ready for detecting whether the external device is ready, low active
Input

FT232 devices offer two driver options:

VCP (Virtual COM Port): Ideal for simple projects where you want your device to interact like a standard serial device.

D2XX: Offers more control and flexibility but requires programming using API functions. Choose this if you need advanced features.

Resources

FT232 Datasheet

Drivers