KinCony-B2 (ESP32-S3 2CH Relay board)

Resources

• ESP32 pin define details

ESPHome Configuration

The basic configuration contains the KinCony B2 ESP32-S3 relay board’s hardware definitions and core ESPHome components.

https://github.com/esphome/devices.esphome.io/blob/main/src/docs/devices/KinCony-B2/config.yaml

esphome:
  name: b2
  friendly_name: b2

esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: arduino

# Enable logging
logger:
  hardware_uart: USB_SERIAL_JTAG

ethernet:
  type: W5500
  clk_pin: GPIO1
  mosi_pin: GPIO2
  miso_pin: GPIO41
  cs_pin: GPIO42
  interrupt_pin: GPIO43
  reset_pin: GPIO44

i2c:
  - id: bus_a
    sda: 8
    scl: 18
    scan: true
    frequency: 400kHz

uart:
  - id: uart_1 # RS485
    baud_rate: 9600
    debug:
      direction: BOTH
      dummy_receiver: true
      after:
        timeout: 10ms
    tx_pin: 38
    rx_pin: 39

switch:
  - platform: uart
    uart_id: uart_1
    name: "RS485 Button"
    data: [0x11, 0x22, 0x33, 0x44, 0x55]

  - platform: gpio
    name: "b2-output01"
    pin: 4
    inverted: false

  - platform: gpio
    name: "b2-output02"
    pin: 46
    inverted: false

binary_sensor:
  - platform: gpio
    name: "b2-input01"
    pin:
      number: 6
      inverted: true

  - platform: gpio
    name: "b2-input02"
    pin:
      number: 7
      inverted: true

  # Pull-up resistors on PCB
  - platform: gpio
    name: "b2-W1-io47"
    pin:
      number: 47
      inverted: true

  - platform: gpio
    name: "b2-W1-io48"
    pin:
      number: 48
      inverted: true

  - platform: gpio
    name: "b2-W1-io17"
    pin:
      number: 17
      inverted: true

  - platform: gpio
    name: "b2-W1-io40"
    pin:
      number: 40
      inverted: true

ads1115:
  - address: 0x48

sensor:
  - platform: ads1115
    multiplexer: "A0_GND"
    gain: 6.144
    resolution: 16_BITS
    name: "ADS1115 Channel A0-GND"
    update_interval: 5s
  - platform: ads1115
    multiplexer: "A1_GND"
    gain: 6.144
    name: "ADS1115 Channel A1-GND"
    update_interval: 5s
  - platform: ads1115
    multiplexer: "A2_GND"
    gain: 6.144
    name: "ADS1115 Channel A2-GND"
    update_interval: 5s
  - platform: ads1115
    multiplexer: "A3_GND"
    gain: 6.144
    name: "ADS1115 Channel A3-GND"
    update_interval: 5s

Advanced Configuration

This configuration adds the onboard SSD1306 display example from the vendor configuration.

https://github.com/esphome/devices.esphome.io/blob/main/src/docs/devices/KinCony-B2/advanced.yaml

esphome:
  name: b2
  friendly_name: b2

esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: arduino

# Enable logging
logger:
  hardware_uart: USB_SERIAL_JTAG

# Enable Home Assistant API
api:

ethernet:
  type: W5500
  clk_pin: GPIO1
  mosi_pin: GPIO2
  miso_pin: GPIO41
  cs_pin: GPIO42
  interrupt_pin: GPIO43
  reset_pin: GPIO44

i2c:
  - id: bus_a
    sda: 8
    scl: 18
    scan: true
    frequency: 400kHz

uart:
  - id: uart_1 # RS485
    baud_rate: 9600
    debug:
      direction: BOTH
      dummy_receiver: true
      after:
        timeout: 10ms
    tx_pin: 38
    rx_pin: 39

switch:
  - platform: uart
    uart_id: uart_1
    name: "RS485 Button"
    data: [0x11, 0x22, 0x33, 0x44, 0x55]

  - platform: gpio
    name: "b2-output01"
    pin: 4
    inverted: false

  - platform: gpio
    name: "b2-output02"
    pin: 46
    inverted: false

binary_sensor:
  - platform: gpio
    name: "b2-input01"
    pin:
      number: 6
      inverted: true

  - platform: gpio
    name: "b2-input02"
    pin:
      number: 7
      inverted: true

  # Pull-up resistors on PCB
  - platform: gpio
    name: "b2-W1-io47"
    pin:
      number: 47
      inverted: true

  - platform: gpio
    name: "b2-W1-io48"
    pin:
      number: 48
      inverted: true

  - platform: gpio
    name: "b2-W1-io17"
    pin:
      number: 17
      inverted: true

  - platform: gpio
    name: "b2-W1-io40"
    pin:
      number: 40
      inverted: true

ads1115:
  - address: 0x48

sensor:
  - platform: ads1115
    multiplexer: "A0_GND"
    gain: 6.144
    resolution: 16_BITS
    name: "ADS1115 Channel A0-GND"
    update_interval: 5s
  - platform: ads1115
    multiplexer: "A1_GND"
    gain: 6.144
    name: "ADS1115 Channel A1-GND"
    update_interval: 5s
  - platform: ads1115
    multiplexer: "A2_GND"
    gain: 6.144
    name: "ADS1115 Channel A2-GND"
    update_interval: 5s
  - platform: ads1115
    multiplexer: "A3_GND"
    gain: 6.144
    name: "ADS1115 Channel A3-GND"
    update_interval: 5s

font:
  - file: "gfonts://Roboto"
    id: roboto
    size: 20

display:
  - platform: ssd1306_i2c
    i2c_id: bus_a
    model: "SSD1306 128x64"
    address: 0x3C
    lambda: |-
      it.printf(0, 0, id(roboto), "KinCony B2");