There is a UART port on the 30pin header.

CON10 - 2×15 pins

Pin Number Net Name GPIO & Export No Default Pin State
6 UART_0.RXD GPA0.0 (#171) I(PUDN)
8 UART_0.TXD GPA0.1 (#172) I(PUDN)

Access device node

I/O voltage range is 0~1.8Volt. Otherwise your ODROID will be damaged permanently.

Refer this link to learn how to use the UART interface. UART interface using the IO-Port #1

  • odroid-xu4/application_note/gpio/uart.txt
  • Last modified: 2021/10/08 09:57
  • by odroid