New bicycle light detects vehicles approaching
Ground illumination also gives approaching traffic a perception of depth.
A new bicycle light design senses approaching traffic and illuminates the rider as well as the road.
The Firefly bicycle light uses a passive Infrared sensor to detect vehicles approaching from behind and shines brighter the closer they get. It also uses a set of white LEDs to illuminate the rider’s back and the road beneath the bike.
The ground illumination is intended to provide a perception of depth for approaching traffic.
According to James Morton, the designer of the lamp, the Firefly is the only light to completely illuminate the rider’s entire back regardless of their position, making use of the space for increased visibility.
Further information:
Environmental Transport Association
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