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System utilizes ultrasonic sensors and an Android app to monitor waste levels, indicating capacity for improved sanitation.
In response to the global challenge of improper waste disposal and solid waste management an Internet of Things (IoT)-based waste management system was developed to address the challenge of inappropriate garbage disposal. Three systems were designed using ultrasonic sensors connected to NodeMCU to measure garbage levels in bins. Data was transmitted to an online database via Firebase and an Android app was developed to display real-time information on a Google Map. Bins exceeding 70% capacity were highlighted in red color and green color otherwise. The system provided efficient, real-time waste management, allowing users to access information remotely, locate nearby bins, and contribute to improved cleanliness and sanitation in urban areas.
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Oyerinde et al. (2025) studied this question.
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