FTDI Adapter Board - USB to UART (FT 232RL)

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Part Number: HP-FTDIFT232R


Product Description

This FTDI adapter board converts a USB connection into 5 volt TX and RX that you can connect straight to the Arduino Mini, Raspberry PI, or other typical open-source electronics or microcontrollers, allowing them to talk to the computer. It is based on the famous FT232RL chip from FTDI.

This is a basic adapter board for the FTDI FT232RL USB to serial IC programming. The pinout of this board matches the FTDI cable to work with official Arduino and cloned 5V Arduino boards. It can also be used for general serial applications. The major difference with this board is that it brings out the DTR pin as opposed to the RTS pin of the FTDI cable. The DTR pin allows an Arduino target to auto-reset when a new Sketch is downloaded. This is a really nice feature to have and allows a sketch to be downloaded without having to hit the reset button. This board will auto reset any Arduino board that has the reset pin brought out to a 6-pin connector.

The pins labeled BLK and GRN correspond to the colored wires on the FTDI cable. The black wire on the FTDI cable is GND, green is CTS. Use these BLK and GRN pins to align the FTDI basic board with your Arduino target.

This board has TX and RX LEDs that make it a bit better to use over the FTDI cable. You can actually see serial traffic on the LEDs to verify if the board is working properly or not.



  • Operating Voltage: 5V
  • Chipset: FT232RL
  • Features: Switches High-Speed USB Signals


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