5 lines
454 B
Markdown
5 lines
454 B
Markdown
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This pin doubles up as the UART transmit pin, thus the name TXD. It's also commonly known as "Serial" and, by default, will output a Console from your Pi that, with a suitable Serial cable, you can use to control your Pi via the command-line.
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UART is also extremely useful if you want to talk to Arduino or Propeller boards from your Pi, but you must make sure you disable the Serial Console in raspi-config first.
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[Learn more about UART](/pinout/uart)
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