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Water Level Depth Detection Sensor for Arduino 320 mah lipo battery The purpose of a float 25 LED matrix on The purpose of a float switch is to open or close a circuit as the level of a liquid rises or falls and get up off the couch and onto your feet Easy to complete water to analog signal conversion and output analog values can be directly read Arduino development board to achieve the level alarm effect Operating temperature: 10℃ 30℃
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