esp-01s-relay.yaml

esphome:
  name: esp-01s-relay
  friendly_name: ESP-01S-Relay

esp8266:
  board: esp01_1m

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_key

ota:
  password: !secret ota_password

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Esp-01S-Relay Fallback Hotspot"
    password: !secret ap_password

captive_portal:

web_server:
  port: 80

switch:
  - platform: gpio
    pin: GPIO0
    name: "Switch"
    inverted: false
    restore_mode: ALWAYS_OFF

sensor:
  - platform: uptime
    name: Uptime Sensor
    id: uptime_sensor
    update_interval: 60s
    on_raw_value:
      then:
        - text_sensor.template.publish:
            id: uptime_human
            state: !lambda |-
              int seconds = round(id(uptime_sensor).raw_state);
              int days = seconds / (24 * 3600);
              seconds = seconds % (24 * 3600);
              int hours = seconds / 3600;
              seconds = seconds % 3600;
              int minutes = seconds /  60;
              seconds = seconds % 60;
              return (
                (days ? to_string(days) + "d " : "") +
                (hours ? to_string(hours) + "h " : "") +
                (minutes ? to_string(minutes) + "m " : "") +
                (to_string(seconds) + "s")
              ).c_str();

  - platform: wifi_signal
    name: "WiFi Signal Sensor"
    update_interval: 60s
  - platform: uptime
    name: "Uptime Sensor"

text_sensor:
  - platform: wifi_info
    ip_address:
      name: "IP Address"
    ssid:
      name: "SSID"
    bssid:
      name: "BSSID"
    mac_address:
      name: "Mac Address"
  - platform: template
    name: Uptime Human Readable
    id: uptime_human
    icon: mdi:clock-start

button:
  - platform: restart
    name: "Restart"
  - platform: safe_mode
    name: "Restart (Safe Mode)"
  - platform: factory_reset
    name: "Factory Reset"