2022-12-11 10:37:51 +03:00
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# RF water leakage sensor
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2022-12-11 10:12:36 +03:00
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2022-12-11 10:37:51 +03:00
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Water leakage sensor on ATmega168/328 + RF24.
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## Features
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1. Power consumption in sleep mode approximately 10 μA. Up to 2 years of operation on one CR2450 battery (estimated).
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2. Transmits battery level charge and sensor status (DRY) every hour (can be changed up to 65535 seconds).
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3. When triggered transmits an alarm (ALARM) every minute. The sensor must be reset to stop transmitting.
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4. Automatic restart in case of a hang-up.
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## Note
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A gateway is required. For details see "RF Gateway".
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## Full config example for Home Assistant
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```yml
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mqtt:
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sensor:
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- name: "NAME"
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device_class: "voltage"
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unit_of_measurement: "V"
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state_topic: "homeassistant/rf_sensor/ID/water_leakage"
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value_template: "{{ value_json.battery }}"
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expire_after: 4500
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force_update: true
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qos: 2
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binary_sensor:
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- name: "NAME"
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device_class: "moisture"
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state_topic: "homeassistant/rf_sensor/ID/water_leakage"
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value_template: "{{ value_json.state }}"
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payload_on: "ALARM"
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payload_off: "DRY"
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expire_after: 4500
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force_update: true
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qos: 2
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```
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