B40. Eco-Awareness Monitor

Ho Ming Primary School SPSD by Sik Sik Yuen

Sustainability

Correct Trash Toss Smart Bin

General Public

Core Concept An eco-friendly device that combines intelligent sensing with real-time voice feedback. Through a “real-time interaction and positive guidance” approach, it aims to effectively improve residents’ waste sorting and throwing accuracy. Instead of punishing people after the fact, it helps cultivate environmental awareness from the source. Working Principle This device uses precise AI recognition and ultrasonic sensing technology to detect the final landing point of a thrown item in real time. If the system determines that the trash was not accurately dropped into the bin, it responds within milliseconds—immediately playing a clear alert sound to gently prompt the user to correct their behavior. Conversely, if the trash is correctly disposed of, the system plays a thank-you message, providing immediate positive reinforcement to strengthen correct environmentally friendly habits. Suitable Application Scenarios It is suitable for deployment in school campuses, public parks, community recreation areas, office building common spaces, and any other locations where improved cleanliness and environmental awareness are needed. Key Benefits Using gamified interactive feedback, the device effectively encourages users to develop good waste-handling habits and significantly improves overall cleanliness. With a low-cost and high-efficiency approach, it helps prevent un-environmental behavior at an early stage. Through its positive feedback mechanism, it promotes broader environmental awareness across society—supporting the development of a smarter, greener city.