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Continue to ChatRain Sensor for Dutch Cyclists - "Braille" for the Viennese Pedestrian https://hansonthebike.com/2012/01/04/rain-sensor-for-dutch-cyclists/
Rain Sensor for Dutch Cyclists - "Braille" for the Viennese Pedestrian https://hansonthebike.com/2012/01/04/rain-sensor-for-dutch-cyclists/