Published Paper Details:

The Smart Rainwater Harvesting System makes use of modern technology for capturing and collecting rainwater. The system leads to better and longer-term water management by incorporating IoT-based tools and interrogating domain-tested approaches. The system is operated by an Arduino Uno, which serves as the central processing unit of the system. The control unit connects to different functional sensors; ultrasonic sensors determine the level of the water in the tank, pH sensors determine if the water is safe, and rain sensors enable the system to be activated automatically when it is raining. The optimization of operations requires a minimum amount of manual work to be done. The system implements actuators and servo motors which automatically turn open and close valves. The components responsive to the sensors regulate the different actions wherein water can either be collected, filtered, stored, or sent to where it is required. The sensors transmit all the information to the cloud in a real-time-stream, enabling users to monitor the system with a mobile app from any place. Users can check the devices whether they are at home, at work, or on a trip, and they will be able to make the necessary modifications from their mobile devices. The simulations on Tinkercad provided adequate hope concerning the outcomes and as such, prototypes were built and tested. Testing proved that the system could autonomously collect water, check its quality, and manage its distribution in an efficient self-regulating manner. The system relies on solar power to further enhance sustainability. This feature eliminates dependence on the electric grid, making it very useful for remote locations with limited or no access to electricity. The SRHS has been tailored to be low-cost, with simple structural modifications, and considered 'green technology'. Whether deployed within residential units, commercial structures, or agricultural land, the invention provides an innovative solution aimed at mitigating the worrisome problem of water deficit on a global scale.