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Enable serial port on Raspberry Pi CM4

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Enable serial port on Raspberry Pi CM4
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06-07-2022, 06:58 AM (This post was last modified: 02-24-2024, 02:42 AM by admin.)
I also noticed sometimes UART is disabled in kernel. The enable it you need to check in /boot/config.txt the line enable_uart

If it's set to 0 like follow

enable_uart=0
You need to change to 1 as follow

enable_uart=1
And reboot of course!

sudo raspi-config
   
make sure disable Linux UART console
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