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traffic signals working with solar energy

our project talks about traffic signals that working with solar energy  instead of electricity.the main idea of this project that can reduce from using electricity.and thus  more environmently -friendly.

traffic siganls is programmed with solar energy.traffic signals consists of three colors they red,green and yellow.

with solar energy this signals can work,during jam the red signal will shine so people can pass and cars stopping.when green signal shine cars will go and when yellow sigal shine ,cars will prepare to go.

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