we recently designed & implemented a set of 4 electronically-enhanced basketball jerseys with different EL-panels that light up according to game-related data, such as fouls, score, time clock, etc. the jerseys are wirelessly controlled from a central computer by a game official in real time.
the TeamAwear system aims to actively enhance the awareness & understanding of the actual team sport situation for its different stakeholders, including athletes, referees, coaches & spectators.
Read the academic paper "Evaluating a Wearable Display Jersey for Augmenting
Team Sports Awareness" here.