Kc-868-a32 uart

[wchpikus]

Hello
What ping are used to rs485?
Failed config

uart: [source /config/esphome/rolety-kc868-a32.yaml:27]
  - id: uart_modbus
    baud_rate: 9600
    tx_pin: 9
    
    This pin cannot be used on ESP32s and is already used by the flash interface (function: Flash Data 1).
    rx_pin: 8

Regards

[admin]

which board model you are using?

[wchpikus]

which board model you are using?

Kc868-a32 and Kc868-a16

[admin]

do you use A32 or A32 Pro?? they are two different product.
if A32:
RS485:
RXD:GPIO16
TXD:GPIO14

if A32Pro:
RS485:
RXD:GPIO8
TXD:GPIO9