Serial port module
USB to TTL serial port module
Product parameters
- Brand: Firefly
- Size: 25mm*15.5mm
Technical information
Driver download: https://www.prolific.com.tw/en/portfolio-item/pl2303gl/
Physical map
Connection method
USB to Serial adapter with four pins:
- 3.3V power supply (NC), no connection required
- GND, the ground wire of the serial port, connect to the GND pin of the serial port of the development board
- TXD, the output line of the serial port, connected to the TX pin of the serial port of the development board
- RXD, the input line of the serial port, connect to the RX pin of the serial port of the development board
Note: If you encounter the problem that TX and RX cannot be input and output when using other serial adapters, you can try to reverse the connection of TX and RX.
AIO-1684XJD4 DEBUG port:
