The FT232R is a USB to serial UART interface
A low-cost way to add USB capability to Arduino or other microcontrollers.
Use this to give your own breadboard Arduino USB capability for bootloading or downloading sketches.
FTDI FT232RL USB to TTL Serial Converter Adapter Module 5V and 3.3V For Arduino
RXD/TXD transceiver communication indicator
Includes over-current protection, using a 500mA self-restoring fuse
This board includes a DTR pin needed to auto-reset Arduino when downloading to your device.
Size 36x18mm (LxW)
USB Power Supply: 3.3V or 5V
Interface: mini USB
Pins: DTR, RXD, TX, VCC, CTS, GND
1 x USB to TTL converter + 6pin Dupont cable