New Approach Monitoring System with ESP32 and MQTT for the Best Position of the Floating Net Cage

One of the most popular fish-raising techniques is floating net cages (KJA). In order to maintain the sustainability of the local fish population, the KJA must maintain a suitable placement position and keep an eye on the state of the water. Because of this, it is essential to design a system that will accommodate the circumstances at the KJA location. Hence, we selected ESP32 and MQTT to build a DO, pH, and temperature sensor-based water quality monitoring system. IoT and MQTT Protocol Implementation for Monitoring System represents the proposed work. The outcomes indicate a system that can be verified whenever needed and delivers recommendations on where to position the KJA by using an LED indicator on the dashboard system.