Paper Contents
Abstract
Abstract: This paper leverages the Internet of Things (IoT) to modernize energy monitoring through a smart metering system. The STM32F446RE microcontroller is used for acquiring real-time voltage and current data from sensors such as the ZMPT101B and ACS712. These values are transmitted to the RuggedBoard A5D2X via USART for local display on a 16x2 I2C LCD and onward communication to the cloud using MQTT protocol. The A5D2X acts as a gateway, enabling reliable remote access, real-time monitoring, and data logging through Ethernet connectivity. This system provides a scalable and efficient solution for smart grid applications. Future enhancements include mobileweb dashboards, integration with billing systems, AI-powered consumption analytics, and load control via relays. Keywords: Smart Meter, IoT, STM32F446RE, RuggedBoard A5D2X, Real-Time Monitoring, MQTT, Energy Management, Embedded Systems, Cloud Connectivity
Copyright
Copyright © 2025 Jawahar R. This is an open access article distributed under the Creative Commons Attribution License.
