CP2102 USB to TTL USB UART Module Serial Converter - Red + Silver + Black
Uses CP2102 chip; produces analog serial port after drive installed; powered via USB : 3.3V(<40mA) 5V GND TX RX signal lead pin level: 3.3V positive logic; with LED indicator: the higher Baud rate the brighter the light; supports 300bps~1Mbps Baud rate; communication format: 5678 data 11.52 stop oddevenmarkspacenone test; system: windows vista/xp/server 2003/200Mac OS-X/OS-9Linux; USB male port can directly connect to PC; high quality SMT SMD.