1, Support File Specification: Model: SH-U09C2 Main chip: FTDI FT232RL Pin Definition: CTS,RTS,RXD,TXD,GND,VCC Output VCC: 1.8V/3.3V/5V TTL Level: 1.8V/3.3V/5V USB interface: 2.0 The maximum speed: 3Mbps About indicator LED: PWM LED:Power Indicator RXD LED:The data transmission ind...