Rainy night is also safe, Rasp emerges with rain power generation

On the night of rainy daysThe risk of traffic accidents due to overlooking pedestrians is high, Many people may have had a dangerous feeling while walking or while driving a car. A power supply unnecessary, Casa that lightens the rainy night road safely with the LED appeared.

Details are as below.LightDrops by Sang-Kyun Park - Yanko Design

This Casa named "Lightdrops" is due to the concept and design of Mr. Sang-Kyun Park. It is eco-friendly with rain power generation, and it also helps traffic safety in the rainy night road.Rain power generation,Polyvinylidene fluoride(PVDF) membrane "Piezoelectric bodyIt is a power generation method that uses electric energy due to vibration of raindrops colliding with the membrane of the Tokyo station gate at the ticket gate by JR EastPower floor experimentIt seems good to imagine the principle like (PDF).

The stronger the rain, the higher the brightness, so if you spread it in the future, you may be able to judge the strength of rain with the brightness of the Casa who walks outside the window.