Abstract

Keeping fish in an aquarium requires special attention. Aquarium owners often worry about feeding schedules and water conditions that must be monitored daily. To make this task easier, an IoT-based automatic fish-feeding and monitoring system has been developed. This tool allows for automatic feeding based on a predetermined schedule and monitors water conditions through an Android application. The system uses several components, including a NodeMCU ESP8266 microcontroller, an RTC timer, a temperature and pH sensor to monitor water conditions, an ultrasonic detector to show remaining fish food, and a servo motor to operate the fish feed valve. The objective of this research is to enable hobbyists to keep their pet fish without worrying about their well-being in case they are unable to attend to them regularly.

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