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Awards and Results

St. Stephen's Girls' College
Chang Wing Lum, Hung Dorea Elaine, Leung Man Yi, Ma Ka Po, Wong Tsz Tung

Save N More

Install the “Save N More” to your tap, it can instantly heat water directly to a preset temperature. With a temperature-controlled valve at the outlet, water is released only after reaching a designated temperature. This can help reduce energy loss in tanks and pipes. In addition, water will not be wasted during temperature adjustment. The infra-red sensor installed in the tap or shower head allows water to flow only when necessary. Water consumption data recorded by its built-in water meter will be transferred via IoT to one’s mobile phone app which facilitates the user to properly plan one’s water usage. In addition, this device considers the use of wastewater to generate electricity for energy recovery.

Figure 1 Save N More System Model
Figure 1 Save N More System Model

Figure 2 Save N More System Display
Figure 2 Save N More System Display

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