COMMUNICATION BY RS232

[julian cifuentes]

Hi all .. I need help reading a sound sensor via rs232, the sensor output is a 3.5mm jack, which contains 3 GND, RX and TX internal cables

What do I have to do in the code to acquire data ??
Thank you

[livius]

@julian-cifuentes
look here it is simple
https://docs.pycom.io/pycom_esp32/library/machine.UART.html

and connect RX and TX to pins like in datasheet
https://docs.pycom.io/pycom_esp32/pycom_esp32/datasheets.html

RX to TX
TX to RX
and GND