A Wearable LED Matrix Sign System Which Shows a Tweet of Twitter and Its Application to Campus Guiding and Emergency Evacuation

Abstract

A Wearable LED matrix sign system which shows a tweet of Twitter is discussed. The wearable LED matrix sign of the system is a mobile sign and it can be located any place any time, if a person wears the sign and goes there at the time. The wearable LED matrix sign can be controlled from a remote place by a manager because its contents can be modified using Twitter. The manager also can know where is the LED matrix sign using the GPS function of the LED matrix sign or calling the person who wears the sign. The LED matrix sign system can be used for special events such as conferences on a campus. It also can be used for emergency evacuation.