power-take-off.yaml

substitutions:
  device_name: "saw-clamp"
  friendly_name: "Saw AMP Clamp"
  timezone: "Europe/London"
  main_icon: "saw"
  
esphome:
  name: ${device_name}
  platform: ESP8266
  board: d1_mini
  
wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  ap:
    ssid: ${friendly_name}_AP

captive_portal:
logger:                           # Enable logging

api:                              # Enable Home Assistant API
  reboot_timeout: 300s
ota:
web_server:                       # Enable Web server.
  port: 80

globals:
  - id: switch_state
    type: bool
    initial_value: 'false'

time:                             # Sync time with Home Assistant.
  - platform: homeassistant
    id: homeassistant_time
    timezone: ${timezone}

output:
  - platform: esp8266_pwm
    id: power_led_output
    pin: D4

sensor:
  - platform: adc
    pin: A0
    id: adc_sensor
    internal: true
    
  - platform: ct_clamp
    sensor: adc_sensor
    name: "Saw Power Sensor"
    id: power_sensor_live_power
    update_interval: 1s
    accuracy_decimals: 0
    filters:
      - calibrate_linear:
          - 0.0008 -> 0.0
          - 0.036 -> 10.87
      - lambda: return x * 230;
    unit_of_measurement: "mA"
    on_value:
      then:
        - if:
            condition:
              lambda: 'return x > 300 and id(switch_state) == false;'
            then:
              - logger.log: "Turning on Hoovah"
              - globals.set:
                  id: switch_state
                  value: 'true'
              - homeassistant.service:
                  service: light.turn_on
                  data:
                    entity_id: light.kitchen_2
        - if:
            condition:
              lambda: 'return x <= 300 and id(switch_state) == true;'
            then:
              - logger.log: "Turning off Hoovah"
              - delay: 30s
              - globals.set:
                  id: switch_state
                  value: 'false'
              - homeassistant.service:
                  service: light.turn_off
                  data:
                    entity_id: light.kitchen_2