Chip: FT232RL Draw out all signal port of FT232RL chip. RXD/TXD transceiver communication indicator. USB power supply, can choose 5V or 3.3V ,set by jumper. With over current protection, using 500MA self-restore fuse. Pin definition: DTR,RXD,TX,VCC,CTS,GND Pitch:2.54mm Module size:33mm(length)*17mm(width) Interface: Mini USB [hardware introduce] Using FTDI's FT232RL chip; Lead FT232RL chip all signal ports, TTL/CMOS level; RXD/TXD transmitting and receiving communication indicator; USB power supply, optional 5V or 3.3V interface level (if any other level, can be directly on the VCC and GND pins to provide target voltage) Chip: FT232RL Draw out all signal port of FT232RL chip. RXD/TXD transceiver communication indicator. USB power supply, can choose 5V or 3.3V ,set by jumper. With over current protection, using 500MA self-restore fuse. Pin definition: DTR,RXD,TX,VCC,CTS,GND Pitch:2.54mm Module size:33mm(length)*17mm(width) Interface: Mini USB [hardware introduce] Using FTDI's FT232RL chip; Lead FT232RL chip all signal ports, TTL/CMOS level; RXD/TXD transmitting and receiving communication indicator; USB power supply, optional 5V or 3.3V interface level (if any other level, can be directly on the VCC and GND pins to provide target voltage) Chip: FT232RL Draw out all signal port of FT232RL chip. RXD/TXD transceiver communication indicator. USB power supply, can choose 5V or 3.3V ,set by jumper. With over current protection, using 500MA self-restore fuse. Pin definition: DTR,RXD,TX,VCC,CTS,GND Pitch:2.54mm Module size:33mm(length)*17mm(width) Interface: Mini USB [hardware introduce] Using FTDI's FT232RL chip; Lead FT232RL chip all signal ports, TTL/CMOS level; RXD/TXD transmitting and receiving communication indicator; USB power supply, optional 5V or 3.3V interface level (if any other level, can be directly on the VCC and GND pins to provide target voltage) Polybag