Model FT232 Quantity 1 Color Green Material PCB board Specification 1, 3.3V: 3.3V output; 2, GND: Power supply negative pole; 3, RXD: Serial data receive port; 4, TXD: Serial data transmit port; 5, 5V: 5V input Features Transfer USB signal to serial signal; With LED indicator Application For DIY project Packing List 1 x USB to serial adapter module