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Suppose that it rains outside, and you carry an umbrella in front of the door, then you must insert the key to the lock and turn it. But it may be hard to turn, so you have to hold the umbrella with the help of your neck, and turn the key with two hands.Color Key is designed to solve it. You just need to insert the key, the door will identify it with the RGB code and the length of color. So it is like the common key, the only defference is color key uses color instead of the serration.
Architecture, Chemistry, Music, Phy
Yangyang Yu, Xin Ye, Mengjie Hu, Junqiao Xie