FT232 USB UART board, original FT232RL onboard | FT232 USB UART device, supports Mac OS, Linux, Android, WinCE, Windows 7/8/8.1/10/11... | FT232 USB C, 3x VCCIO power mode via jumper setting: VCCIO - 5V: 5V output; VCCIO - 3.3V: 3.3V output; open the jumper: powered from target board (3.3V-5V) | 3x LED indicators: TXD, RXD, PWR; Pins accessible on pinheaders: TXD, RXD, RTS#, CTS# | Other pins are accessible on drilled holes, easily connected to user application system (the pin pitch is compatible with universal prototype board)