Arduino Forum
Portenta X8 + Breakout Board - Serial Monitor Blank / UART0 Only Works with Serial1, Not Serial
Official Hardware
Portenta Family
Portenta X8
b707
August 8, 2025, 10:19pm
2
Could you show a screenshot with Serial Monitor window open?
show post in topic
Related topics
Topic
Replies
Views
Activity
Portenta x8 serial communication with other devices using breakout board
Portenta X8
2
850
December 4, 2022
Puerto serie USB
Español
5
1825
May 6, 2021
Hardware connections and setup to see UART serial ports on Arduino 101
101
5
5044
May 6, 2021
Serial comm help!
Frequently-Asked Questions
5
1756
May 6, 2021
Serial port not showing in Arduino on Ubuntu 8.10
Troubleshooting
14
6076
May 6, 2021