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Nowadays environmental protection is valued highly, and bicycles have become one of the most popular products for protecting the earth. People are paying more attention to the safety of bicycle riders. Like the fireflies producing light to attract others, bicycle riders set light on their bikes for safety."Sit light!" is a bicycle saddle combined with LED, and lights by a simple press. 1. Solar energy: The energy of the LED is saved by a solar panel behind the seat. 2. When the rider sits on the seat, the weight of the body will turn on the power. 3. Light sensor system: the LED automatically turns off during the day and turns on at night.
National Taiwan University
of Science and Technology