globusjournal

The goal of the study is to accomplish a Recirculating Aquaculture System (RAS) in a small-scale water tank setup for sustainable backyard/indoor fish farming for Nila tilapia fingerlings with alignment to Internet of Things (IoT) technology. The system improved water usage through continuous filtration and reuse, maintaining ideal conditions for tilapia fingerlings. Several IoT components were used including MQ-135 Gas sensor for ammonia detection, DS18B20 Temperature sensor and PH-4502C Liquid PH-Sensor for monitoring. Also the study featured automatic heating, cooling and aeration systems, and an automated feeding using DS1307 Real-Time Clock and servo motor. Early warning signs have been developed for real-time weather forecasting through the help of Open Weather API. These technologies work together to maintain optimal water conditions, ensure consistent feeding and adapt to weather changes, enhancing fish health and growth while conserving water. The system reached excellent satisfaction in different categories, as evaluated using ISO 25010 standards. A 4-point Likert scale has been used, it scored 3.72 for functional suitability, 3.67 for reliability, 3.74 for interaction capability, and 3.69 for performance efficiency. The overall mean of 3.71 demonstrates excellent satisfaction, claiming that the system successfully met its objectives and user standards.

Keywords: IoT, Aquaculture, Recirculating Aquaculture System (RAS), Tilapia, Weather forecasting.