Digital Tacho - Smart Boat Innovations

Tachometer YAML

Here is the essential Tachometer YAML snippet to add to your ESPhome Engine Monitor YAML configuration.

For a step-by-step guide, watch the comprehensive tutorial available at the following link: Video

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# Set level to INFO after calibration is completed
logger:
  level: DEBUG

sensor:
  - platform: pulse_counter
    pin: 25
    name: "Engine Tacho"
    id: rev_counter
    icon: "mdi:speedometer"
    device_class: frequency
    state_class: measurement
    unit_of_measurement: 'rpm'
    accuracy_decimals: 0
    update_interval: 2s
    filters:
    - calibrate_linear:
        method: exact
        datapoints:
        - 0 -> 0       
        - 15200 -> 1000       
        - 18200 -> 1200
        - 21100 -> 1400
        - 24000 -> 1600    

  - platform: template
    name: "Engine Active Numeric"
    id: engine_active_numeric
    lambda: |-
      return id(engine_active).state ? 1.0 : 0.0;  
    update_interval: 1s

  - platform: integration
    name: "Engine Hours"
    id: engine_hours
    sensor: engine_active_numeric
    time_unit: h
    restore: true
    icon: "mdi:timer"
    filters:
      - heartbeat: 2s

binary_sensor:
  - platform: template
    name: "Engine Active"
    id: engine_active
    device_class: "running"  
    publish_initial_state: true
    icon: "mdi:engine"  
    lambda: |-
      return id(rev_counter).state > 100;