Around 4 years, I haven't joined design competition. I am really excited about this project because it is the quick idea that come to my brian and I devoloped it for topic of competition.I named it "Light saver". When you protect nature or you feed plants, you will get the power.
When we fill water, water pressure will activate the LED sensor and the light is turned on. The water is gradually absorbed by soil. The system will be shut down and the light will be off when the water will be completely absorbed.
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