Eleduino FTDI FT232RL USB to TTL Serial Adapter Module Builid in FTDI FT232RL chipThe FT232R is the latest device to be added to FTDIs range of USB UART interface Integrated Circuit Devices Power supply with USB ,3.3V/5V VCC output level selection jumper USB power supply with overcurrent protection, add 500MA self resettable fuse to protect your computer and device. Performance more stable. Leads all FT232RL chip signal portRXD/TXD transceiver communication indicator Suppport Windows, Linux, and Mac OSX