Esphome config for ESP32-based Linkind dimmer switches

linkind-dimmer.base.yaml

# Basic Config
#---
#substitutions:
  #   # https://esphome.io/guides/configuration-types.html#substitutions
#  device_name: esp-br3 # hostname & entity_id
#  transition_length: 0s # transition when turning on/off

## Uses a JST24A triac and a second MCU for dimming 

esphome:
  # https://esphome.io/components/esphome
  name: ${device_name}
  on_boot:
    priority: 400
    then:
      - lambda: !lambda |-
          ESP_LOGI("i2cdimmer", "send dimmer init" );
          const uint8_t tosend [] = {0x2A, 0x07, 0x56, 0x01, 0x11, 0xFF, 0x66};
          ErrorCode ret = myi2cbus->write(0x50, tosend, 7);
          ESP_LOGI("i2cdimmer", "result: %d", (int)ret );

esp32:
  board: esp32dev
  framework:
    type: esp-idf
    sdkconfig_options:
      CONFIG_FREERTOS_UNICORE: y    

wifi:
  # should get set by wifi.yaml
  
#captive_portal:
# doesn't work under esp-idf
  
#web_server:
  #port: 80
  # https://esphome.io/components/web_server.html
# doesn't work under esp-idf

logger:
  # https://esphome.io/components/logger

api:
  #password: !secret esphome_api_password
  # https://esphome.io/components/api
  reboot_timeout: 0s #disable auto-reboot if homeassistant is not connecting

ota:
  #password: !secret esphome_ota_password
  # https://esphome.io/components/ota

i2c:
  sda: GPIO4
  scl: GPIO22
  sda_pullup_enabled: true
  scl_pullup_enabled: true
  frequency: 100kHz
  scan: false
  id: myi2cbus
  
  

#light:
  #- platform: status_led
    #name: "Switch state"
    #pin: GPIO2
  
light:

  - platform: monochromatic
    # https://esphome.io/components/light/monochromatic.html
    name: ${device_name} dimmer
    output: dimi2c
    default_transition_length: ${transition_length}
    #gamma_correct: 0 # if we want to disable
    id: dimmer
    on_turn_on: 
      - output.turn_on:
          id: green_led
    on_turn_off:
      - output.turn_off: 
          id: green_led

  - platform: binary
    id: greenlight
    name: ${device_name} green led
    output:  green_led
    
  - platform: status_led
    #id: redlight
    name: ${device_name} red led
    pin: GPIO26
    
  
output:

  - platform: template
    id: dimi2c
    type: float    
    min_power: 0.1
    zero_means_zero: true
    write_action:
      lambda: !lambda |-
        uint8_t dim_val = 255 * state;
        uint16_t chk = 65403-dim_val;
        const uint8_t tosend [] = {0x2A, 0x09, 0x50 ,0x01, dim_val, 0x00, 0x00, (uint8_t)(chk>>8), (uint8_t)(chk)};
        ErrorCode ret = myi2cbus->write(0x50, tosend, 9);
        ESP_LOGI("i2cdimmer", "result: %d", (int)ret );

  - platform: gpio
    # https://esphome.io/components/output/gpio.html
    pin: GPIO14
    inverted: false
    id: green_led


binary_sensor:

  - platform: gpio
    # https://esphome.io/components/binary_sensor/gpio.html
    pin:
      number: GPIO32
      inverted: true
      mode: INPUT_PULLUP
    name: ${device_name} Top Button
    internal: false
    on_click:
    - min_length: 50ms
      max_length: 350ms
      then:
        - light.turn_on:
            id: dimmer
            brightness: 70%
    on_multi_click:
    - timing:
        - ON for at least 350ms
      then: 
        - light.turn_on:
            id: dimmer
            brightness: 100%
           
  - platform: gpio
    # https://esphome.io/components/binary_sensor/gpio.html
    pin:
      number: GPIO33
      inverted: true
      mode: INPUT_PULLUP
    name: ${device_name} Bottom Button
    internal: False
    on_click:
    - min_length: 50ms
      max_length: 350ms
      then:
        - light.turn_off: dimmer
    on_multi_click:
    - timing:
        - ON for at least 400ms
      then: 
        - light.turn_on:
            id: dimmer
            brightness: 35%
      #- output.turn_on: led2

   

New to ESPHome (hace used Tasmota on this switch)..... How add/activate BLE sensors?

@balvant813 when I tried a few months ago, this version of the ESP32 didn't support any of the new BLE code. No idea if it can work now, but I haven't tried it since.