# RF climate sensor (BME280) Climate sensor on ATmega328 + RF24 + BME280. ## Features 1. Power consumption in sleep mode approximately 5 μA. Up to 3 years of operation on one CR2450 battery (estimated). 2. Transmits battery level charge, humidity, temperature and air pressure every 5 min (can be changed up to 65535 seconds). 3. Automatic restart in case of a hang-up. ## Note A gateway is required. For details see "RF - ESP-NOW Gateway". ## Full config example for Home Assistant ```yml mqtt: sensor: - name: "NAME" device_class: "voltage" unit_of_measurement: "V" state_topic: "homeassistant/rf_sensor/ID/bme280" value_template: "{{ value_json.battery }}" expire_after: 375 force_update: true qos: 2 - name: "NAME" device_class: "humidity" unit_of_measurement: "%" state_topic: "homeassistant/rf_sensor/ID/bme280" value_template: "{{ value_json.humidity }}" expire_after: 375 force_update: true qos: 2 - name: "NAME" device_class: "temperature" unit_of_measurement: "°C" state_topic: "homeassistant/rf_sensor/ID/bme280" value_template: "{{ value_json.temperature }}" expire_after: 375 force_update: true qos: 2 - name: "NAME" evice_class: "pressure" unit_of_measurement: "мм" state_topic: "homeassistant/rf_sensor/ID/bme280" value_template: "{{ value_json.pressure }}" expire_after: 375 force_update: true qos: 2 ```