SAME-Children helmets / Wearable device

Bicycle as well as football and basketball are one of the sports of childhood. But some children suffer from innate or acquired hearing impairment, they can not take bicycle safely. The main purpose of this design is to enable children to enjoy pleasure and avoid self-abased mentality by bicycle with the help of technology,The working principle is to collect information through the rear ultrasonic sensor and use shock to remind the car. All of these can give children the remind about danger during the bicycle process.