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M5Stack Smart Plant Watering

Using M5Stack to water a plant and report soil moisture, humidity and temperature. Supports Home Assistant and its MQTT Discovery.

- Collects soil moisture, air humidity, temperature and pressure
- Button push (A) for watering
- Reuses configued Wifi connection
- Publishes Home Assistant state
- Support Home Assistant auto-discovery
- Reconnect to Wifi with a button (B)
- Send manual MQTT configuration and state with a button (C)
- Signal lack of water with RGB bar (on M5Stack Fire) and warning image”

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