Files
greenhousino/irrigation/README.md
Stefan Ostermann 884182e1f7 Add Home Assistant custom integration and ESP availability tracking
- Add custom HA integration (config flow, switch, water_for service)
- Add MQTT Last Will & Testament for offline detection
- Publish 'online' on successful MQTT connect
- Update README with integration docs
2026-07-19 15:25:04 +02:00

1.1 KiB

Irrigation with an ESP8266

Tested with D1 mini. Connect a pump with a relais. Relais activation on D4.

Home Assistant Integration

A full custom integration with config flow, device registry, and a water_for service is included in the homeassistant/ directory.

See homeassistant/README.md for installation and usage.

YAML-only (built-in MQTT platform)

payload_on can also contain the duration of the pump in ms.

switch:
  - platform: mqtt
    name: "Irrigation Pump"
    command_topic: greenhousino/pump
    state_topic: greenhousino/pumpstate
    payload_on: "on"
    payload_off: "off"
    state_on: "on"
    state_off: "off"
    availability_topic: greenhousino/pump/status
    payload_available: "online"
    payload_not_available: "offline"
    qos: 1

For duration-based watering via YAML, use an automation:

automation:
  - alias: "Water for 5 minutes"
    action:
      - service: mqtt.publish
        data:
          topic: greenhousino/pump
          payload: "300000"  # 300000 ms = 5 minutes