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• 10:27, 4 March 2025 Ruizhe talk contribs created page Light Sensing System Based on the Photoelectric Effect (Created page with "= Experiment to Measure Alcohol Concentration Using Oband Light Source and a Photodetector = == Team Member == Xu Ruizhe, Li Zerui, Ma Shunyu, Wei Heyi == Overview == This project is designed to demonstrate the photoelectric effect by developing a smart light sensing system. The system detects ambient light intensity using a photoresistor (LDR) or a photodiode and processes the data using an Arduino or Raspberry Pi. When the light intensity crosses a predefined threshol...")