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It is difficult to distinguish which keys to use for elder who has bad eye sight, especially when it’s dimly-lit.The Glowing key can solve the problem. The technology of RFID is be used on the Glowing key, which contains 2 sensor clips. One chip is placed on the key cover, and the other one is on the sticker which can be glued on the door knot by the user. When the key cover is close to the right sticker, the LED light on the key cover will start glowing, which can remind the user that it is the right key to open the door.
Yong-Shin Yu Che-Ling Kuo Hui-Wen Chu Li-Yu Peng