Fecha de publicación: 14/05/2021 Fuente: Wipo "IOT" An IoT auxiliary plug is provided. According to an exemplary embodiment, a user can be easily provided with various smart home services related to a household appliance (e.g., remote monitoring of the electricity usage of the household appliance and remote controlling of the operation of the household appliance) merely by attaching an IoT auxiliary plug to a connector of the household appliance.