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Sonoff S31 Smart Plug with Energy Monitoring

I have been after an energy monitoring solution like the S31 provides for years.  The smart switch is actually not a need as my use cases (TV's, Lights) generally have IR commands to toggle power.  There are a couple of setup options that make this work best for me in my home automation cases:

First - load Tasmota on the S31

Enable auto discovery: SetOption19 1

Set the Power Delta value to force a MQTT update on power change:  PowerDelta 10

In Home Assistant, create a template in configuration.yaml

  - platform: template
    switches:
      living_room_tv:
        unique_id: "12833912801831"
        friendly_name: "Living Room TV"
        value_template: "{{ states('sensor.s3102_energy_power')|float > 1 }}"
        turn_on:
          - service: rest_command.ircontroller02
            data:
              ir_data:
                - data: E0E040BF
                  type: Samsung
                  length: '32'
        turn_off:
          - service: rest_command.ircontroller02
            data:
              ir_data:
                - data: E0E040BF
                  type: Samsung
                  length: '32'
 
And add any automations in automations.yaml
 
- id: '8349207385890'
  alias: Turn Off Living Room TV When Idle
  trigger:
    platform: numeric_state
    entity_id: sensor.s3102_energy_power
    below: 130
    for:
      minutes: 10
  condition:
    - condition: state
      entity_id: switch.living_room_tv
      state: 'on'
  action:
    - service: switch.turn_off
      entity_id: switch.living_room_tv
 
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