powerpal_gateway.yaml

substitutions:
  device_name: powerpal-gateway
  friendly_name: Powerpal Gateway

esphome:
  name: ${device_name}
  platform: ESP32
  board: m5stack-core-esp32

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

logger:

api:
  password: !secret esphome_secret

ota:
  password: !secret esphome_secret

external_components:
  - source: github://tathamoddie/esphome@powerpal_ble
    components: [ ble_client, powerpal_ble ]

esp32_ble_tracker:

ble_client:
  - mac_address: !secret powerpal_mac_address
    id: powerpal

sensor:
  - platform: powerpal_ble
    ble_client_id: powerpal
    power:
      name: "Powerpal Power"
      accuracy_decimals: 0
    energy:
      name: "Powerpal Total Energy"
      accuracy_decimals: 3
    battery_level:
      name: "Powerpal Battery"
    pairing_code: !secret powerpal_pairing_code
    notification_interval: 1 # get updates every 1 minute
    pulses_per_kwh: 1000

secrets.yaml

wifi_ssid: blah
wifi_password: blah

esphome_secret: random shared key

powerpal_mac_address: aa:bb:cc:dd:ee:ff
powerpal_pairing_code: 123456