# RF touch switch Touch switch on ATmega168/328 + RF24. ## Features 1. Power consumption in sleep mode approximately 10 μA. Up to 2 years of operation on one CR2032 battery (estimated). 2. When triggered transmits battery level charge. 3. Automatic restart in case of a hang-up. 4. Easy installation into any standard touch switch enclosure. ## 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/touch_switch" value_template: "{{ value_json.battery }}" force_update: true qos: 2 ```