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Amazon.com : ALMOCN Automatic Irrigation DIY Kit, 4Pcs Capacitive Soil Moisture Sensor+4Pcs 1Channel 5V Relay Module + 4Pcs Water Pump + 4Pcs 1M Vinyl Tubing for Arduino Moisture Detection Garden Watering :
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Hacking a Capacitive Soil Moisture Sensor (v1.2) for Frequency Output | Underwater Arduino Data Loggers
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Diy Soil Moisture Sensor | Soil Sensor Electric | Soil Type Sensor | Moisture Tester - Replacement Parts - Aliexpress
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Sensors | Free Full-Text | Low-Cost Soil Moisture Profile Probe Using Thin-Film Capacitors and a Capacitive Touch Sensor
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