ROWIA: A Smart IoT-Based Reverse Osmosis Wastewater Irrigation System for Agriculture

Water scarcity is a significant global challenge, worsened by global warming and population growth, straining water resources. Agriculture, a major water user, often employs inefficient irrigation methods, leading to excessive water consumption. A smart irrigation system using IoT technology and Reverse Osmosis (RO) wastewater from water purifiers can help conserve water. This paper presents a smart solution leveraging the Internet of Things (IoT) technology to recycle RO wastewater for agricultural use, conserving potable water resources. The system is powered by the ESP32 microcontroller and DHT22 sensors for getting vital data such as soil moisture level, tank level, temperature, and humidity from the environment, to determine the proper irrigation timing for plants. We also use the Blynk cloud platform, enabling farmers to monitor their farms in real-time. The proposed system not only ensures appropriate irrigation timing but also promotes efficient RO wastewater usage, contributing to water conservation.