UART ESP8266 LUA

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Iosens
 
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Joined: Sat Dec 08, 2018 8:02 pm

UART ESP8266 LUA

Post by Iosens »

Hi

Newby to this platform...

Despite reading the documentation at https://nodemcu.readthedocs.io/en/lates ... ules/uart/
I cannot figure out which pins I can use for serial (text) terminal use.
The aurt.alt does not sound correct either.

I am assuming that UART 0 is used for the USB (programming) connection, so I am trying to used UART 1: (I only need to send...)

uart.setup(1, 9600, 8, uart.PARITY_NONE, uart.STOPBITS_1, 0)
uart.write(1, "Hi")

But which pins are used for that ? If UART 1 is NOT used for programming, which pins are that?

Thanks

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