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For the blind man across the traffic lights is a very difficult thing, even with acoustic warning, but in a noisy streets, the blind sometimes can not hear clearly. Audio traffic lights will bring noise nearby residents. Through this problem, I through touch instead of hear and visual methods, the design of the foot pedal traffic lights, when the pedal is raised said state at this time for a red light, said when the pedals to keep flat shape for the green light at this time.And at a red light and green light conversion process, the pedal in the remaining five seconds before, through vibration to remind the blind ?
Fuzhou university institute of arts and crafts in xiamen