Smart Plug for Energy Waste Detection System
DOI:
https://doi.org/10.15662/IJEETR.2026.0802139Keywords:
Smart Plug, Energy savingAbstract
In modern electrical systems, unnecessary energy consumption due to standby power and inefficient usage of appliances has become a significant concern. To address this issue, a Smart Plug with Energy Monitoring and Control using PIC16F877A is proposed.The system is designed to function as a universal plug adapter that can be connected to any electrical appliance without modifying its wiring. It measures the electrical parameters such as voltage and current using a Potential Transformer (PT) and a Current Transformer (CT) respectively. These signals are processed through rectifier and filtering circuits to obtain suitable DC levels, which are then fed into the analog-to-digital converter (ADC) of the microcontroller.The PIC16F877A processes the input data and calculates the power consumption of the connected load. Based on predefined conditions, the system detects energy wastage, such as when an appliance operates in standby mode for an extended period. Upon detection, the controller automatically switches OFF the appliance using a relay, thereby reducing unnecessary power consumption.Additionally, the system integrates IoT functionality using the ESP8266 WiFi Module, enabling remote monitoring and control through the Blynk application. Real-time parameters such as voltage, current, and power are displayed locally using an LCD and remotely on a mobile device.This project provides a cost-effective, efficient, and user-friendly solution for energy conservation, making it suitable for residential and industrial applications.
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