FT232RL FT232 FTDI USB To TTL 3.3V 5.5V Serial Adapter Module For Arduino Mini Port Features: FT232RL Adapter Module; Chip: FT232RL; USB supply power, can choose 5V or 3.3V interface level; PCB size: 17mm x 32.5mm; Elicit all signal port of FT232RL chip, TTL/CMOS level; RXD/TXD transceiver communication signals indicator light; If need other level, can provide target voltage on VCC and GND pin directly; Package Included: 1 x FT232RL FTDI Serials Adapter Module Mini Port for Arduino USB to TTL 3.3V 5.5V