Real-Time Weather Monitoring System using Internet of Things (IoT)

Abstract: This project falls under the domain of the Internet of Things (IoT), which connects physical devices to the internet for data collection, sharing, and remote management. In the context of environmental monitoring, IoT enables real-time sensing and analytics by integrating embedded systems, cloud computing, and wireless communication technologies. This allows seamless remote access via web and mobile interfaces. Traditional weather monitoring systems, typically built on Arduino Uno, are constrained by limited processing capabilities and lack native Wi-Fi connectivity. These systems require additional hardware for internet access and external integration with databases and web platforms, resulting in fragmented architecture and delayed or static data updates. Moreover, they struggle to achieve efficient real-time data synchronization. The proposed system overcomes these limitations by using the ESP8266 microcontroller in conjunction with DHT11 (temperature and humidity sensor), BMP180 (barometric pressure sensor), and a rain sensor. Sensor data is transmitted in real time to the Google Firebase Realtime Database, enabling immediate access and storage. The data can be visualized through a mobile app, a website, and a chatbot interface, making the solution scalable, interactive, and user-friendly for continuous weather monitoring.