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The GY-30 light intensity sensor module is built with BH1750FVI digital optical sensor chip, realizing accurate ambient brightness monitoring within 0~65535 Lux measurement range. Support 3-5V wide voltage input, plug-and-play and easy to connect with MCU control boards. Digital transmission effectively reduces external signal interference and ensures long-term stable detection. Widely applied in automatic lighting control, smart devices, environmental monitoring, experimental development and various light sensing DIY projects.