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  B4 ESPHome yaml for home assistant with tuya
Posted by: admin - 01-14-2026, 03:46 AM - Forum: B4 - No Replies

Code:
esphome:
  name: b4
  friendly_name: b4
  platformio_options:
    board_build.extra_flags:
      # WIFI_CONTROL_SELF_MODE = 0
      # WIFI_CONTROL_SELF_MODE = 1
      - "-DWIFI_CONTROL_SELF_MODE=1"

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

external_components:
  - source:
      type: git
      url: https://github.com/hzkincony/esphome-tuya-wifi-mcu
      ref: v1.3.0

# 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

pcf8574:
  - id: 'pcf8574_hub_out_1'  # for output channel 0-7| input channel 8-15   
    i2c_id: bus_a
    address: 0x24

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

  - id: tuya_mcu_uart
    tx_pin: GPIO15
    rx_pin: GPIO16
    baud_rate: 9600

tuya_wifi_mcu:
  # tuya mcu product id
  product_id: fotgrf8rowhk1nm3
  uart_id: tuya_mcu_uart
  wifi_reset_pin: 28
  wifi_led_pin: 16

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

  - platform: gpio
    name: "b4-output01"
    id: "b4_output01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 4
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output1-tuya
    dp_id: 1
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output01"

  - platform: gpio
    name: "b4-output02"
    id: "b4_output02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 5
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output2-tuya
    dp_id: 2
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output02"

  - platform: gpio
    name: "b4-output03"
    id: "b4_output03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 6
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output3-tuya
    dp_id: 3
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output03"

  - platform: gpio
    name: "b4-output04"
    id: "b4_output04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 7
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output4-tuya
    dp_id: 4
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output04"

binary_sensor:
  - platform: gpio
    name: "b4-input01"
    id: "b4_input01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 0
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input1-tuya
    dp_id: 111
    bind_binary_sensor_id: b4_input01
    internal: true

  - platform: gpio
    name: "b4-input02"
    id: "b4_input02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 1
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input2-tuya
    dp_id: 112
    bind_binary_sensor_id: b4_input02
    internal: true

  - platform: gpio
    name: "b4-input03"
    id: "b4_input03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 2
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input3-tuya
    dp_id: 113
    bind_binary_sensor_id: b4_input03
    internal: true

  - platform: gpio
    name: "b4-input04"
    id: "b4_input04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 3
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input4-tuya
    dp_id: 114
    bind_binary_sensor_id: b4_input04
    internal: true

##pull-up resistance on PCB
  - platform: gpio
    name: "b8-W1-io47"
    pin:
      number: 47
      inverted: true

  - platform: gpio
    name: "b8-W1-io48"
    pin:
      number: 48
      inverted: true

  - platform: gpio
    name: "b8-W1-io17"
    pin:
      number: 17
      inverted: true

  - platform: gpio
    name: "b8-W1-io40"
    pin:
      number: 40
      inverted: true
## without resistance on PCB
  - platform: gpio
    name: "b8-13"
    pin:
      number: 13
      inverted:  false
  - platform: gpio
    name: "b8-14"
    pin:
      number: 14
      inverted:  false
  - platform: gpio
    name: "b8-21"
    pin:
      number: 21
      inverted:  false
  - platform: gpio
    name: "b8-0"
    pin:
      number: 0
      inverted:  false

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

web_server:
  port: 80

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 B4");
download yaml file:

.txt   B4-HA-Tuya.txt (Size: 5.63 KB / Downloads: 103)

Print this item

  B4M ESPHome yaml for home assistant with tuya
Posted by: admin - 01-14-2026, 03:46 AM - Forum: B4M - No Replies

Code:
esphome:
  name: b4
  friendly_name: b4
  platformio_options:
    board_build.extra_flags:
      # WIFI_CONTROL_SELF_MODE = 0
      # WIFI_CONTROL_SELF_MODE = 1
      - "-DWIFI_CONTROL_SELF_MODE=1"

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

external_components:
  - source:
      type: git
      url: https://github.com/hzkincony/esphome-tuya-wifi-mcu
      ref: v1.3.0

# 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

pcf8574:
  - id: 'pcf8574_hub_out_1'  # for output channel 0-7| input channel 8-15   
    i2c_id: bus_a
    address: 0x24

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

  - id: tuya_mcu_uart
    tx_pin: GPIO15
    rx_pin: GPIO16
    baud_rate: 9600

tuya_wifi_mcu:
  # tuya mcu product id
  product_id: fotgrf8rowhk1nm3
  uart_id: tuya_mcu_uart
  wifi_reset_pin: 28
  wifi_led_pin: 16

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

  - platform: gpio
    name: "b4-output01"
    id: "b4_output01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 4
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output1-tuya
    dp_id: 1
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output01"

  - platform: gpio
    name: "b4-output02"
    id: "b4_output02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 5
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output2-tuya
    dp_id: 2
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output02"

  - platform: gpio
    name: "b4-output03"
    id: "b4_output03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 6
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output3-tuya
    dp_id: 3
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output03"

  - platform: gpio
    name: "b4-output04"
    id: "b4_output04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 7
      mode: OUTPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-output4-tuya
    dp_id: 4
    # hide from homeassistant ui
    internal: true
    # bind other switch, sync state
    bind_switch_id: "b4_output04"

binary_sensor:
  - platform: gpio
    name: "b4-input01"
    id: "b4_input01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 0
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input1-tuya
    dp_id: 111
    bind_binary_sensor_id: b4_input01
    internal: true

  - platform: gpio
    name: "b4-input02"
    id: "b4_input02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 1
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input2-tuya
    dp_id: 112
    bind_binary_sensor_id: b4_input02
    internal: true

  - platform: gpio
    name: "b4-input03"
    id: "b4_input03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 2
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input3-tuya
    dp_id: 113
    bind_binary_sensor_id: b4_input03
    internal: true

  - platform: gpio
    name: "b4-input04"
    id: "b4_input04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 3
      mode: INPUT
      inverted: true
  - platform: tuya_wifi_mcu
    name: b4-input4-tuya
    dp_id: 114
    bind_binary_sensor_id: b4_input04
    internal: true

##pull-up resistance on PCB
  - platform: gpio
    name: "b8-W1-io47"
    pin:
      number: 47
      inverted: true

  - platform: gpio
    name: "b8-W1-io48"
    pin:
      number: 48
      inverted: true

  - platform: gpio
    name: "b8-W1-io17"
    pin:
      number: 17
      inverted: true

  - platform: gpio
    name: "b8-W1-io40"
    pin:
      number: 40
      inverted: true
## without resistance on PCB
  - platform: gpio
    name: "b8-13"
    pin:
      number: 13
      inverted:  false
  - platform: gpio
    name: "b8-14"
    pin:
      number: 14
      inverted:  false
  - platform: gpio
    name: "b8-21"
    pin:
      number: 21
      inverted:  false
  - platform: gpio
    name: "b8-0"
    pin:
      number: 0
      inverted:  false

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

web_server:
  port: 80

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 B4");
download yaml file:

.txt   B4-HA-Tuya.txt (Size: 5.63 KB / Downloads: 110)

Print this item

  B4 ESPHome yaml for home assistant without tuya
Posted by: admin - 01-14-2026, 03:45 AM - Forum: B4 - No Replies

Code:
esphome:
  name: b4
  friendly_name: b4

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

pcf8574:
  - id: 'pcf8574_hub_out_1'  # for output channel 0-7| input channel 8-15   
    i2c_id: bus_a
    address: 0x24

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: "b4-output01"
    id: "b4_output01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 4
      mode: OUTPUT
      inverted: true


  - platform: gpio
    name: "b4-output02"
    id: "b4_output02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 5
      mode: OUTPUT
      inverted: true


  - platform: gpio
    name: "b4-output03"
    id: "b4_output03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 6
      mode: OUTPUT
      inverted: true


  - platform: gpio
    name: "b4-output04"
    id: "b4_output04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 7
      mode: OUTPUT
      inverted: true


binary_sensor:
  - platform: gpio
    name: "b4-input01"
    id: "b4_input01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 0
      mode: INPUT
      inverted: true

  - platform: gpio
    name: "b4-input02"
    id: "b4_input02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 1
      mode: INPUT
      inverted: true


  - platform: gpio
    name: "b4-input03"
    id: "b4_input03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 2
      mode: INPUT
      inverted: true

  - platform: gpio
    name: "b4-input04"
    id: "b4_input04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 3
      mode: INPUT
      inverted: true


##pull-up resistance on PCB
  - platform: gpio
    name: "b8-W1-io47"
    pin:
      number: 47
      inverted: true

  - platform: gpio
    name: "b8-W1-io48"
    pin:
      number: 48
      inverted: true

  - platform: gpio
    name: "b8-W1-io17"
    pin:
      number: 17
      inverted: true

  - platform: gpio
    name: "b8-W1-io40"
    pin:
      number: 40
      inverted: true
## without resistance on PCB
  - platform: gpio
    name: "b8-13"
    pin:
      number: 13
      inverted:  false
  - platform: gpio
    name: "b8-14"
    pin:
      number: 14
      inverted:  false
  - platform: gpio
    name: "b8-21"
    pin:
      number: 21
      inverted:  false
  - platform: gpio
    name: "b8-0"
    pin:
      number: 0
      inverted:  false

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

web_server:
  port: 80

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 B4");
download yaml file:

.txt   B4-HA-Without-Tuya.txt (Size: 3.87 KB / Downloads: 98)

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  B4M ESPHome yaml for home assistant without tuya
Posted by: admin - 01-14-2026, 03:45 AM - Forum: B4M - No Replies

Code:
esphome:
  name: b4
  friendly_name: b4

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

pcf8574:
  - id: 'pcf8574_hub_out_1'  # for output channel 0-7| input channel 8-15   
    i2c_id: bus_a
    address: 0x24

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: "b4-output01"
    id: "b4_output01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 4
      mode: OUTPUT
      inverted: true


  - platform: gpio
    name: "b4-output02"
    id: "b4_output02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 5
      mode: OUTPUT
      inverted: true


  - platform: gpio
    name: "b4-output03"
    id: "b4_output03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 6
      mode: OUTPUT
      inverted: true


  - platform: gpio
    name: "b4-output04"
    id: "b4_output04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 7
      mode: OUTPUT
      inverted: true


binary_sensor:
  - platform: gpio
    name: "b4-input01"
    id: "b4_input01"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 0
      mode: INPUT
      inverted: true

  - platform: gpio
    name: "b4-input02"
    id: "b4_input02"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 1
      mode: INPUT
      inverted: true


  - platform: gpio
    name: "b4-input03"
    id: "b4_input03"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 2
      mode: INPUT
      inverted: true

  - platform: gpio
    name: "b4-input04"
    id: "b4_input04"
    pin:
      pcf8574: pcf8574_hub_out_1
      number: 3
      mode: INPUT
      inverted: true


##pull-up resistance on PCB
  - platform: gpio
    name: "b8-W1-io47"
    pin:
      number: 47
      inverted: true

  - platform: gpio
    name: "b8-W1-io48"
    pin:
      number: 48
      inverted: true

  - platform: gpio
    name: "b8-W1-io17"
    pin:
      number: 17
      inverted: true

  - platform: gpio
    name: "b8-W1-io40"
    pin:
      number: 40
      inverted: true
## without resistance on PCB
  - platform: gpio
    name: "b8-13"
    pin:
      number: 13
      inverted:  false
  - platform: gpio
    name: "b8-14"
    pin:
      number: 14
      inverted:  false
  - platform: gpio
    name: "b8-21"
    pin:
      number: 21
      inverted:  false
  - platform: gpio
    name: "b8-0"
    pin:
      number: 0
      inverted:  false

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

web_server:
  port: 80

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 B4");
download yaml file:

.txt   B4-HA-Without-Tuya.txt (Size: 3.87 KB / Downloads: 95)

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  B4 ESP32-S3 IO pins define
Posted by: admin - 01-14-2026, 03:43 AM - Forum: B4 - No Replies

IIC Bus:

SDA:GPIO8
SCL:GPIO18

PCF8574: i2c address:0x24

PCF8574->P0 (digital input-1)
PCF8574->P1 (digital input-2)
PCF8574->P2 (digital input-3)
PCF8574->P3 (digital input-4)

PCF8574->P4 (relay1)
PCF8574->P5 (relay2)
PCF8574->P6 (relay3)
PCF8574->P7 (relay4)

24C02 EPROM i2c address: 0x50
DS3231 RTC i2c address: 0x68
SSD1306 display: i2c address:0x3c
ADS1115 (4CH ADC): i2c address:0x48

Analog input (A1: DC 0-5v)
Analog input (A2: DC 0-5v)
Analog input (A3: DC 4-20mA)
Analog input (A4: DC 4-20mA)


-----------------
1-wire GPIOs (with pull-up resistance on PCB):
1-wire-1:GPIO47
1-wire-2:GPIO48
1-wire-3:GPIO17
1-wire-4:GPIO40
-----------------
free GPIOs (without pull-up resistance on PCB):
GPIO13
GPIO14
GPIO21
-----------------

Ethernet (W5500) I/O define:

clk_pin: GPIO1
mosi_pin: GPIO2
miso_pin: GPIO41
cs_pin: GPIO42

interrupt_pin: GPIO43
reset_pin: GPIO44

--------------------
RS485:
RXD:GPIO39
TXD:GPIO38

Tuya module:
RXD:GPIO16
TXD:GPIO15

Tuya network button: Tuya module's P28
Tuya network LED: Tuya module's P16
--------------------
SD Card:
SPI-MOSI:GPIO10
SPI-SCK:GPIO11
SPI-MISO:GPIO12
SPI-CS:GPIO9
SPI-CD:GPIO5

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  B4M ESP32-S3 IO pins define
Posted by: admin - 01-14-2026, 03:42 AM - Forum: B4M - No Replies

IIC Bus:

SDA:GPIO8
SCL:GPIO18

PCF8574: i2c address:0x24

PCF8574->P0 (digital input-1)
PCF8574->P1 (digital input-2)
PCF8574->P2 (digital input-3)
PCF8574->P3 (digital input-4)

PCF8574->P4 (relay1)
PCF8574->P5 (relay2)
PCF8574->P6 (relay3)
PCF8574->P7 (relay4)

24C02 EPROM i2c address: 0x50
DS3231 RTC i2c address: 0x68
SSD1306 display: i2c address:0x3c
ADS1115 (4CH ADC): i2c address:0x48

Analog input (A1: DC 0-5v)
Analog input (A2: DC 0-5v)
Analog input (A3: DC 4-20mA)
Analog input (A4: DC 4-20mA)


-----------------
1-wire GPIOs (with pull-up resistance on PCB):
1-wire-1:GPIO47
1-wire-2:GPIO48
1-wire-3:GPIO17
1-wire-4:GPIO40
-----------------
free GPIOs (without pull-up resistance on PCB):
GPIO13
GPIO14
GPIO21
-----------------

Ethernet (W5500) I/O define:

clk_pin: GPIO1
mosi_pin: GPIO2
miso_pin: GPIO41
cs_pin: GPIO42

interrupt_pin: GPIO43
reset_pin: GPIO44

--------------------
RS485:
RXD:GPIO39
TXD:GPIO38

Tuya module:
RXD:GPIO16
TXD:GPIO15

Tuya network button: Tuya module's P28
Tuya network LED: Tuya module's P16
--------------------
SD Card:
SPI-MOSI:GPIO10
SPI-SCK:GPIO11
SPI-MISO:GPIO12
SPI-CS:GPIO9
SPI-CD:GPIO5

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  B24M output mosfet relay load voltage
Posted by: Alex1987new - 01-13-2026, 08:22 AM - Forum: B24M - Replies (3)

Hello
There is info about output mosfet:
24CH MOSFET Outputs, every channel use MAX 10A driver IC
what kind on load I can put on it?
can I connect to ouput 220V? the load will be some lamp 220V 75W
or only DC 12-24V and connecting "-" minus ?

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  Not able to connect
Posted by: lcs2226 - 01-13-2026, 06:22 AM - Forum: KC868-E16S/E16P - Replies (1)

E19P-V2.3 - address of 192.168.1.200. Cannot login to to web interface. What am I doing wrong, or how can I check connection. I am able to ping device

Thanks.

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  "KCS" v3.19.0 firmware BIN file download
Posted by: admin - 01-13-2026, 01:17 AM - Forum: "KCS" v3 firmware - Replies (4)

v3.19.0 improvement:
1. Added free GPIO can use by digital input ports
2. Improved home assistant's ability to quickly respond to digital input state changes
3. Renamed digital input ports by (buttons + input) on G1 controller
4. Removed invalid TR humidity sensor on home assistant
5. Fxed mqtt bug with ALR board
6. Fixed bug energy data with N series board.



Attached Files
.zip   KCS_T16M_V3.19.0.zip (Size: 1.09 MB / Downloads: 130)
.zip   KCS_A2V3_V3.19.0.zip (Size: 1.11 MB / Downloads: 126)
.zip   KCS_A6V3_V3.19.0.zip (Size: 1.08 MB / Downloads: 120)
.zip   KCS_A8V3_V3.19.0.zip (Size: 1.13 MB / Downloads: 131)
.zip   KCS_A16V3_V3.19.0.zip (Size: 1.15 MB / Downloads: 161)
.zip   KCS_A32PRO_V3.19.0.zip (Size: 1.11 MB / Downloads: 124)
.zip   KCS_AG8_V3.19.0.zip (Size: 1.09 MB / Downloads: 109)
.zip   KCS_AIO_HYBRID_V3.19.0.zip (Size: 1.32 MB / Downloads: 127)
.zip   KCS_ALR_V3.19.0.zip (Size: 1.08 MB / Downloads: 116)
.zip   KCS_B8_V3.19.0.zip (Size: 1.14 MB / Downloads: 113)
.zip   KCS_B8M_V3.19.0.zip (Size: 1.14 MB / Downloads: 147)
.zip   KCS_B16_V3.19.0.zip (Size: 1.14 MB / Downloads: 112)
.zip   KCS_B16M_V3.19.0.zip (Size: 1.14 MB / Downloads: 115)
.zip   KCS_B24_V3.19.0.zip (Size: 1.14 MB / Downloads: 114)
.zip   KCS_B24M_V3.19.0.zip (Size: 1.14 MB / Downloads: 120)
.zip   KCS_B32M_V3.19.0.zip (Size: 1.14 MB / Downloads: 110)
.zip   KCS_DM16_V3.19.0.zip (Size: 1.11 MB / Downloads: 112)
.zip   KCS_F4_V3.19.0.zip (Size: 1.13 MB / Downloads: 121)
.zip   KCS_F8_V3.19.0.zip (Size: 1.13 MB / Downloads: 114)
.zip   KCS_F16_V3.19.0.zip (Size: 1.14 MB / Downloads: 130)
.zip   KCS_F24_V3.19.0.zip (Size: 1.14 MB / Downloads: 128)
.zip   KCS_F32_V3.19.0.zip (Size: 1.14 MB / Downloads: 124)
.zip   KCS_G1_V3.19.0.zip (Size: 1.1 MB / Downloads: 111)
.zip   KCS_KC_TA_V3.19.0.zip (Size: 1.09 MB / Downloads: 119)
.zip   KCS_N10_V3.19.0.zip (Size: 1 MB / Downloads: 124)
.zip   KCS_N20_V3.19.0.zip (Size: 1 MB / Downloads: 114)
.zip   KCS_N30_V3.19.0.zip (Size: 1 MB / Downloads: 110)
.zip   KCS_N60_V3.19.0.zip (Size: 1.02 MB / Downloads: 112)
.zip   KCS_T32M_V3.19.0.zip (Size: 1.11 MB / Downloads: 113)
.zip   KCS_T64M_V3.19.0.zip (Size: 1.11 MB / Downloads: 112)
.zip   KCS_T128M_V3.19.0.zip (Size: 1.11 MB / Downloads: 112)
.zip   KCS_TR_V3.19.0.zip (Size: 1.06 MB / Downloads: 118)
.zip   KCS_Z1_V3.19.0.zip (Size: 1.24 MB / Downloads: 119)
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  Feedback: Product line dimensions vs. german cabinet standards and integration densit
Posted by: mkai - 01-12-2026, 08:02 PM - Forum: Suggestions and feedback on KinCony's products - Replies (3)

Hey there, 

First: I find the Kinkony products very compelling and find it amazing what product lines you built always following the open approach of open hardware with schematics and software support for ESPHome!

I want to use several actors in my future house to control 230V and Roller/Shutters with ESPHome, but there are some drawbacks preventing me. I'd like to share my thoughts - maybe for your future products Smile

- The actors should be installed in a "standard german electrical cabinet" following the standard "DIN 43880:1988-12".
- This standard defines division units (DU) of 17.5mm for DIN-rail devices. The standard cabinet provides a width of 12 DU (12x 17.5 = 210mm) per slot.
- All common smart home devices in Germany follow these standards, e.g., HomeMaticIP Wired, Loxone and KNX. These units are available in 2, 4, 6 or 12 division units to maximize the space utilization in cabinets and provide around 1 relay per DU.
- For my Smart Home, I need a bunch of 230V actors supporting 10A (roller shutter) and 16A relays (switchable sockets / lights) and don't have much space left in the existing cabinets, so integration density is crucial.


- Your product line:
-- I find the F16 very compelling, but it exceeds the maximum width of my cabinet slots (262mm F16 vs. 210mm (12DU) cabinet). Costs are ~15 USD/relay.
-- The F8 on the other hand would fit with its 195mm, but only provides a overall poor integration density of 8 relays / 12 DU and has a higher cost per relay (~20 USD/relay).
-- KC868-A8v3 comes with 8x 10A relays, width: 148mm(9 DU), integration density: 8 relays/9DU;  costs: 8USD/relay
   Q: Can't find the schematics for the v3 version. Is there a single PCB variant supporting V12 and V24 power supply (as opposed to the v1 versions where the relays are either 12V or 24V)


--> My conclusion: At the current state none of the products really match by requirements, so I want to share some thoughts:


Summing up my requirements for the ideal cabinet 230V actor:
- 24V power supply
- Device width following 6 or 12 DU DIN Rail widths
- LAN connection (POE would be nice, but 24V power is also available in the cabinet)
- 230V outputs: 10 / 16 A relays  (edit: was 23V, intended: 230V)
- Inputs: Every relay should have one corresponding opto-coupled dry contact input (24-capable)
- Stand-only functionality: Should work without active connection to the home controller / home assistant.
- High integration density: 1 Relay per 1 DU (17.5mm) as provided by competitors (Loxone, Homematic, KNX)
- NO need for additional interfaces (CAN, Tuya, SDCard, analogue in, etc.).
- costs should not exceed 15USD/ relay
- Housing with proper cover is a must. LEDs should indicate active relays. A display does not matter. An additional RGB-LED showing a general device health-status (power okay, ESPHome connected/disconnected) should be enough. 


Additional (unstructured) feedback:
- I like the idea of having input overrides as the switches in the F-series. But for using them as a roller-shutter actor this can lead to severe problems (powering both up -and down of the roller-shutter at once). While accessing the device by software there will be an mutual lock of Up/Down ESPHome (already provided in their sources).
Could you consider replacing the "permanent switches" with buttons and program a software-behaviour like "hold them for momentary-override" or "double click for permanent on/off"?
- The connectors used in your products are rather large. Could you consider using connectors with a smaller footprints? The reduced size could be used for additional relays on this side of the board (especially good for 12 DU units (6 DU for inputs/power and 6 DU for 4 additional relays).
- Did you know that the company Waveshare (e.g., Modbus POE Eth Relay ©) has a nice concept of DIN-rail devices with 2xEthernet/RJ45 POE-in and POE-out? This allows for device chaining, which is super cool for tight cabinet spaces Smile
- Product selector:
-- Please make separate a selection for 12V and 24V.
-- Filter by size / length

My background: Electrical Engineer (PCB design / FPGA). Designed several Atmega 328-based devices for my cabinet and want to upgrade for better HomeAssitant integration. I have many more ideas and would be happy to discuss, if you are interested Smile


Best Regards, sorry for the long post and keep up your good work!

Martin

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