| Summary: | Catfish is one type of fish that holds a prominent position due to ease of cultivation, the popularity of its high protein and economic significance in aquaculture or fish farming that has become a significant sector in the global food industry, meeting the increasing demand for seafood. However, maintaining of clean water parameters in the rearing environment is crucial for a catfish farm to be successful. African Catfish is one of Malaysia's most popular and favored freshwater food fish species. The ideal hatching and the greatest larval survival of African catfish is a pH level of within the range 6.7-7.5. The family Claridae includes the African catfish (Clarias gariepinus). This project focuses on the design and implementation of a water quality monitoring system for catfish ponds using PID control and Internet of Things (IoT) technology. The pH level fluctuations can have adverse effects on the catfish's health. The PID Water Quality Monitoring for Catfish Pond are designed to see the results of the pH data using MATLAB Software and ThingSpeak software. The circuit is designed by using WEMOS D1 R32 microcontroller, Sensor E-201-C and 12V Solenoid Valve. The experiment is conducted by throwing bread into the plastic basin. PID controller is implemented to control the opening of valve for water flow to achieve setpoint. The sensor performance was evaluated. The sensor can read pH level of the water and can stabilise the pH water using PID controller. © 2024 IEEE.
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