5PCS 3.3V-5V Photodiode Module LM393 Light Sensor Switch Module for Arduino Rasp
13.84 USD
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3pcs LM393 Rain Sensor Module - Reliable Moisture Monitor for Arduino Projects
12.99 USD
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5PCS Soil Hygrometer Water Detection Module Moisture Sensor 4 Arduino DIY LM393
14.95 USD
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3PCS Soil Hygrometer Water Detection Module Moisture Sensor 4 Arduino DIY LM393
9.48 USD
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