<![CDATA[The Internet of Things (IoT) has become one of the most widely used technologies to support energy efficiency in households. This research presents the development of an IoT-based smart home system designed to monitor and control electricity usage in real time. The system utilizes a NodeMCU ESP8266 microcontroller integrated with current and voltage sensors to measure power consumption from household appliances. All data are transmitted via a Wi-Fi network to an IoT platform and displayed through a web-based interface, allowing users to control and monitor electrical activity remotely. The experimental results show that the system achieved up to 96% accuracy in displaying energy usage data and provided automatic alerts when the power load exceeded the set threshold. The implementation of this system improved household energy efficiency by approximately 18%, proving that IoT integration in smart homes can serve as an effective solution for smarter and more efficient electricity management.]]>
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