sensor-community-example-config.yaml

---
esphome:
  name: sound-level-meter

external_components:
  - source: github://stas-sl/esphome-sound-level-meter

esp32:
  board: esp32dev
  framework:
    type: arduino

logger:
  level: DEBUG

api:
  password: !secret api_password
  reboot_timeout: 0s

ota:
  platform: esphome
  password: !secret ota_password

http_request:
  verify_ssl: false
  timeout: 5s
  watchdog_timeout: 10s

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  fast_connect: true

web_server:
  port: 80

i2s:
  ws_pin: 18
  bck_pin: 23
  din_pin: 19
  sample_rate: 48000
  bits_per_sample: 32
  dma_buf_count: 8
  dma_buf_len: 256
  use_apll: true
  bits_shift: 8
  channel: right

sound_level_meter:
  update_interval: 150s  # to match original sensor.community firmware settings
  warmup_interval: 500ms
  mic_sensitivity: -26dB
  mic_sensitivity_ref: 94dB
  groups:
    - filters:
        - type: sos
          coeffs:
            # A-weighting:
            #       b0           b1            b2             a1            a2
            - [0.16999495, 0.741029, 0.52548885, -0.11321865, -0.056549273]
            - [1., -2.00027, 1.0002706, -0.03433284, -0.79215795]
            - [1., -0.709303, -0.29071867, -1.9822421, 0.9822986]
      sensors:
        - type: eq
          name: LAeq_1min
          id: LAeq_1min
          unit_of_measurement: dBA
        - type: max
          name: LAmax_125ms_1min
          id: LAmax_125ms_1min
          # I believe, previously 35ms was used in DNMS FW,
          # but later it was changed to 125ms
          window_size: 125ms
          unit_of_measurement: dBA
        - type: min
          name: LAmin_125ms_1min
          id: LAmin_125ms_1min
          window_size: 125ms
          unit_of_measurement: dBA

interval:
  - interval: 150s
    then:
      - if:
          condition:
            lambda: 'return id(LAeq_1min).has_state();'
          then:
            - http_request.post:
                url: http://api.sensor.community/v1/push-sensor-data/
                headers:
                  X-Pin: 15
                  X-Sensor: esp32-...  # replace with your sensor ID
                  Content-Type: application/json
                json: |-
                    root["software_version"] = "ESPHome " ESPHOME_VERSION;
                    auto values = root.createNestedArray("sensordatavalues");

                    auto LA_eq = values.createNestedObject();
                    LA_eq["value_type"] = "noise_LAeq";
                    LA_eq["value"] = id(LAeq_1min).state;

                    auto LA_min = values.createNestedObject();
                    LA_min["value_type"] = "noise_LA_min";
                    LA_min["value"] = id(LAmin_125ms_1min).state;

                    auto LA_max = values.createNestedObject();
                    LA_max["value_type"] = "noise_LA_max";
                    LA_max["value"] = id(LAmax_125ms_1min).state;