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03-23-2024, 12:39 AM
uart:
  baud_rate: 9600
  debug:
    direction: BOTH
    dummy_receiver: true
    after:
      timeout: 10ms
  tx_pin: 9
  rx_pin: 8
switch:
  - platform: uart
    name: "UART Button"
    data: [0xDE, 0xAD, 0xBE, 0xEF]
Smart Home Automation Forum > Technical Support > Getting Started with ESPHome and Home Assistant > how to monitor UART bus from ESPHome