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how-to config ymal for work rs485
#9
Hi admin 
It is modbus , 
According to a test I did, I need Modbus, so according to what you say, I need to use esp32. Do I need to connect the TX and RX on the server to the GPIO connections (according to the red arrow in the picture), if so, which of the 4 GPIOs do I connect to and what do I need to put in the yaml file
 tx_pin: GPIO13
 rx_pin: GPIO16
or I need to connect to A, B (according to the yellow arrow in the picture)


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Messages In This Thread
how-to config ymal for work rs485 - by itzek - 03-26-2024, 11:24 PM
RE: how-to config ymal for work rs485 - by admin - 03-27-2024, 12:08 AM
RE: how-to config ymal for work rs485 - by itzek - 03-28-2024, 02:34 PM
RE: how-to config ymal for work rs485 - by admin - 03-28-2024, 10:23 PM
RE: how-to config ymal for work rs485 - by itzek - 03-31-2024, 10:28 AM
RE: how-to config ymal for work rs485 - by admin - 03-31-2024, 12:30 PM
RE: how-to config ymal for work rs485 - by itzek - 03-31-2024, 01:59 PM
RE: how-to config ymal for work rs485 - by admin - 03-31-2024, 10:22 PM
RE: how-to config ymal for work rs485 - by itzek - 04-01-2024, 08:53 AM
RE: how-to config ymal for work rs485 - by admin - 04-01-2024, 10:53 AM
RE: how-to config ymal for work rs485 - by itzek - 04-01-2024, 12:49 PM
RE: how-to config ymal for work rs485 - by admin - 04-01-2024, 10:27 PM
RE: how-to config ymal for work rs485 - by itzek - 04-02-2024, 06:44 AM

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